(19) The National Intellectual Property
`
`Administration of The People's Republic of China
`
`(12) Invention Patent
`
`Application
`
`(10) Publication
`
`CN 103742382 A
`
`Number
`
`(43) Publication
`
`2014. 04. 23
`
`Date of the
`
`Application
`
`(21)
`
`201310744425.9
`
`Application
`
`Number
`
`(22)
`
`Application
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`Date
`
`(71)
`
`Applicant
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`2013. 12. 30
`
`Sany Heavy Energy Equipment Co., Ltd.
`
`Address Sany Industrial Park, Beiqing Road, Changping District, Beijing 102206
`
`(72) Inventor
`
`Yi Xiaogang
`
`(51) lnt. Cl.
`
`CN 103742382 A
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`

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`Fracturing pump
`
`Moto
`
`pump
`Oil
`
`pump
`Oil
`
`pump
`Oil
`
`Hydraulic
`oil tank
`
`Engine
`
`Engine
`
`pumps, and multiple motors, wherein, when
`
`there is a single engine, the engine is
`
`used to drive multiple oil pumps, and when
`
`there are multiple engines, each engine is
`
`used to drive at least one oil pump; each
`
`oil pump is connected to at least one
`
`motor; and all the multiple motors are
`
`used to drive the fracturing pump.
`
`Compared with existing technology, the
`
`implementation of the fracturing pump
`
`transmission system according to the
`
`present invention can effectively expand
`
`the selection range of relevant components
`
`of a transmission system, can realize
`
`various matching configurations, can
`
`effectively reduce costs of relevant
`
`components, and can also effectively
`
`enhance reliability, as well as
`
`facilitates the forward and reverse
`
`rotation of the fracturing pump. The
`
`fracturing truck according to the present
`
`invention is equipped with this fracturing
`
`pump transmission system and can thus
`
`effectively reduce manufacturing costs and
`
`production difficulty of the fracturing
`
`truck, and can also effectively improve
`
`operational efficiency and
`
`maintainability.
`
`CN 103742382 A
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`

`

`CN 103742382 A
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`1. A fracturing pump transmission system, characterized in that the
`
`fracturing pump transmission system includes one or more engines (1), multiple
`
`oil pumps (2), and multiple motors (4), wherein:
`
`when there is a single engine (1), the engine (1) is used to drive multiple
`
`oil pumps (2), and when there are multiple engines (1), each engine (1) is used
`
`to drive at least one of the oil pumps (2); each oil pump (2) is connected to
`
`at least one motor (4); and all the multiple motors (4) are used to drive the
`
`fracturing pump (5).
`
`2. The fracturing pump transmission system according to Claim 1,
`
`characterized in that the output of each oil pump (2) is respectively connected
`
`through a corresponding oil line to a first oil port of at least one motor (4),
`
`and a second oil port of that at least one motor (4) is connected to a
`
`hydraulic oil tank (3); or, the outputs of the multiple oil pumps (2) are
`
`connected via a first oil line (6) to the first oil ports of the multiple
`
`motors (4), and the second oil ports of the multiple motors (4) are connected
`
`to the hydraulic oil tank (3).
`
`3. The fracturing pump transmission system according to Claim 1,
`
`characterized in that the fracturing pump (5) is a crankshaft-type plunger pump,
`
`both ends of the crankshaft-type plunger pump are equipped with power input
`
`gears (51), and each motor (4) engages with the power input gears (51) through
`
`a power output gear (41).
`
`4. The fracturing pump transmission system according to Claim 3,
`
`characterized in that the number of the power output gears (41) engaged with
`
`the power input gears (51) at both ends of the crankshaft-type plunger pump is
`
`the same.
`
`5. The fracturing pump transmission system according to Claim 4,
`
`characterized in that the power output gears (41) engaged with the power input
`
`gear (51) at either end of the crankshaft-type plunger pump are arranged evenly
`
`around the power input gear (51).
`
`6. The fracturing pump transmission system according to any of Claims 1 to 5,
`
`characterized in that, when there are multiple engines (1), one of the engines
`
`is the chassis engine of the fracturing truck.
`
`7. A fracturing truck, comprising a chassis (10) and a fracturing pump (5),
`
`characterized in that the fracturing pump transmission system according to any
`
`3
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`LIBERTY EXHIBIT 1010, Page 3
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`CN 103742382 A
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`of Claims 1 to 6 is installed on the truck body (11) of the chassis (10).
`
`8. The fracturing truck according to Claim 7, characterized in that,
`
`when the fracturing pump transmission system does not include a chassis
`
`engine, the at least one engine (1) and the fracturing pump (5) are
`
`installed sequentially from front to rear on the truck body (11).
`
`9. The fracturing truck according to Claim 8, characterized in that the
`
`fracturing truck further includes a hydraulic oil tank (3), and the hydraulic
`
`oil tank (3) is disposed in a first area above the multiple engines (1).
`
`10. The fracturing truck according to Claim 8, characterized in that the
`
`fracturing truck further includes a cooling box (12), and the cooling box (12)
`
`is disposed in a second area above the multiple engines (1).
`
`4
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`LIBERTY EXHIBIT 1010, Page 4
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`

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`CN 103742382 A
`
`D e s c r i p t i o n
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`Fracturing Pump Transmission System and Fracturing Truck
`
`Technical Field
`
`[0001]
`
` This invention relates to the technical field of fracturing trucks,
`
`particularly to a fracturing pump transmission system and a fracturing truck.
`
`Background Art
`
`[0002]
`
` Fracturing operations are one of the most important methods for
`
`modifying oil and gas reservoirs. For low-permeability oil and gas wells,
`
`fracturing is generally necessary to achieve stable production and increase
`
`output. A fracturing truck is the primary equipment used in fracturing
`
`operations. Its function is to inject high-pressure, large-volume fracturing
`
`fluid into the formation, causing it to crack open and injecting proppants
`
`(such as fracturing sand) into the fractures to enhance the permeability of the
`
`formation, increase the fluidity of oil and gas, and improve the recovery rate
`
`of oil and gas.
`
`[0003]
`
` Currently, common fracturing trucks use a "diesel engine—torque
`
`converter—drive shaft—fracturing pump" transmission scheme. In this scheme,
`
`after the diesel engine starts, it drives the fracturing pump via the torque
`
`converter, which adjusts the speed and torque, and the drive shaft, enabling
`
`the fracturing operation. Due to the large power required for fracturing
`
`operations, the diesel engine must have sufficient power (capable of meeting
`
`the maximum power requirement). Additionally, the diesel engine relies on a
`
`starter motor that draws power from the chassis engine to start.
`
`[0004]
`
` In this transmission scheme, due to the need to use a diesel engine
`
`that meets the maximum power requirement, once the power exceeds a certain
`
`threshold (e.g., 1500 kW), the required cost increases rapidly, and selecting a
`
`right engine becomes difficult. This also leads to a narrow range of choices
`
`for supporting components like torque converters, which are also expensive.
`
`Another factor contributing to the difficulty in selecting components and the
`
`high costs of the transmission scheme is the disparity in the technological
`
`maturity and completeness of industry chains for fracturing-related components
`
`and parts across different countries. Components such as diesel engines, torque
`
`converters, or drive shafts in this transmission scheme need to be purchased
`
`from certain countries or regions, making fracturing trucks using this
`
`transmission scheme to have high costs and limited by the period and
`
`availability of imported parts.
`
`5
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`LIBERTY EXHIBIT 1010, Page 5
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`CN 103742382 A
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`D e s c r i p t i o n
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`[0005]
`
` Additionally,
`
`the
`
`safety
`
`redundancy
`
`(reliability)
`
`of
`
`this
`
`transmission scheme is low. If any one of the diesel engine, torque converter,
`
`or drive shaft fails, the fracturing operation will be halted. Since fracturing
`
`sites are often located in remote areas and these components are expensive and
`
`difficult to stock adequately, resuming fracturing operations can take a long
`
`time even in countries where fracturing technology is relatively advanced.
`
`[0006]
`
` Therefore, how to address the above existing shortcomings and defects
`
`to better meet the needs of oil and gas development is a technical problem to
`
`be urgently solved by those skilled in the art.
`
`Summary of the Invention
`
`[0007]
`
` In view of the above, one of the objectives of this invention is to
`
`provide a fracturing pump transmission system to effectively reduce the
`
`selection difficulty and cost of relevant components for the fracturing pump
`
`transmission system while also effectively improving the safety redundancy of
`
`the fracturing pump transmission system.
`
`[0008]
`
` Specifically, the fracturing pump transmission system includes one or
`
`more engines, multiple oil pumps, and multiple motors. When there is one engine,
`
`the engine is used to drive multiple oil pumps. When there are multiple engines,
`
`each engine is used to drive at least one of the oil pumps. Each oil pump is
`
`connected to at least one of the motors, and all the multiple motors are used
`
`to drive the fracturing pump.
`
`[0009]
`
` Furthermore, the output of each oil pump is respectively connected
`
`through a corresponding oil line to a first oil port of at least one motor, and
`
`a second oil port of that at least one motor is connected to a hydraulic oil
`
`tank. Alternatively, the outputs of the multiple oil pumps are connected via a
`
`first oil line to the first oil ports of the multiple motors, and the second
`
`oil ports of the multiple motors are connected to the hydraulic oil tank.
`
`6
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`LIBERTY EXHIBIT 1010, Page 6
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`CN 103742382 A
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`D e s c r i p t i o n
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`[0010]
`
`Additionally, the fracturing pump is a crankshaft-type plunger pump,
`
`both ends of the crankshaft-type plunger pump are equipped with power input
`
`gears, and each motor engages with the power input gears through a power output
`
`gear.
`
`[0011]
`
`Furthermore, the number of power output gears engaged with the power
`
`input gears at both ends of the crankshaft-type plunger pump is the same.
`
`[0012]
`
`Additionally, the power output gears engaged with the power input gear
`
`at either end of the crankshaft-type plunger pump are arranged evenly around
`
`the power input gear.
`
`[0013]
`
`Furthermore, when there are multiple engines, one of them is the
`
`chassis engine of the fracturing truck.
`
`[0014]
`
`A second objective of this invention is to provide a fracturing truck
`
`to effectively reduce manufacturing costs and production difficulty of the
`
`fracturing truck while improving operational efficiency and maintainability.
`
`[0015]
`
`Specifically, the fracturing truck includes a chassis and a fracturing
`
`pump, and the truck body on the chassis is equipped with the fracturing pump
`
`transmission system according to any of the aforementioned items.
`
`[0016]
`
`Furthermore, when the fracturing pump transmission system does not
`
`include a chassis engine, the at least one engine and the fracturing pump are
`
`installed sequentially from front to rear on the truck body.
`
`[0017]
`
`Additionally, the fracturing truck also includes a hydraulic oil tank,
`
`which is disposed in a first area above the multiple engines.
`
`[0018]
`
`Furthermore, the fracturing truck also includes a cooling box, which
`
`is disposed in a second area above the multiple engines.
`
`[0019]
`
`When using the fracturing pump transmission system of this invention,
`
`since at least one engine is used to drive multiple oil pumps, the multiple oil
`
`pumps supply pressure oil to multiple motors, and the multiple motors all drive
`
`the fracturing pump, this effectively broadens the selection range of relevant
`
`components of the transmission system, and effectively reduces the difficulty
`
`of implementation. It also facilitates the realization of various matching
`
`configurations and enables control over the speed and output power of the
`
`fracturing pump. Additionally, when multiple engines are used, the power load
`
`on each engine is reduced while still meeting the maximum power requirement,
`
`allowing for the use of common, low-power engines, which further broadens the
`
`selection range, and correspondingly, the selection range can also be further
`
`broadened for oil pumps and motors. Moreover, this transmission method allows
`
`for easy availability of engines, oil pumps, and motors, which are not limited
`
`by the need for imported or specialized components, thereby effectively
`
`reducing the costs of components for the fracturing pump transmission system.
`
`7
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`LIBERTY EXHIBIT 1010, Page 7
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`CN 103742382 A
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`D e s c r i p t i o n
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`Furthermore, if one engine, oil pump, or motor fails after adopting this
`
`transmission method, the entire transmission system can still ensure continued
`
`fracturing operations for a period of time, thereby effectively improving
`
`safety redundancy (reliability) and reducing the risk of operational losses for
`
`a construction company. Additionally, this transmission method facilitates
`
`hydraulic control, allowing for both forward and reverse rotation of the motors,
`
`which in turn enables forward and reverse rotation of the fracturing pump (in
`
`existing technologies, a fracturing pump can only rotate in one direction by
`
`following the diesel engine as limited by the transmission scheme thereof),
`
`thereby expanding the functionality of the fracturing truck.
`
`[0020]
`
`In an optional scheme, one of the multiple engines serves as a chassis
`
`engine of the fracturing truck, fully utilizing the efficiency of the chassis
`
`engine by allowing it to function during both movement and operational
`
`processes.
`
`[0021]
`
`The fracturing truck described in this invention is equipped with the
`
`fracturing pump transmission system, thereby effectively reducing manufacturing
`
`costs and production difficulty of the fracturing truck while improving
`
`operational efficiency and maintainability.
`
`Brief Description of the Drawings
`
`[0022]
`
`The figures that form part of this invention are provided to offer
`
`further understanding of the invention. The schematic embodiments and their
`
`explanations of the invention are used to describe the invention and should not
`
`be considered as improper limitations to the scope of the invention. In the
`
`figures:
`
`8
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`LIBERTY EXHIBIT 1010, Page 8
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`CN 103742382 A
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`D e s c r i p t i o n
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`[0023]
`
`Figure 1 is a schematic diagram of the composition of a fracturing
`
`pump transmission system provided in one embodiment of this invention;
`
`[0024]
`
`Figure 2 is a schematic structural diagram of a preferred
`
`configuration where multiple motors drive the fracturing pump in the embodiment
`
`as shown in Figure 1;
`
`[0025]
`
`Figure 3 is a schematic structural diagram of a fracturing truck
`
`provided in other embodiments of this invention.
`
`[0026]
`
`Explanation of Figure Legends:
`
`[0027]
`
`1 Engine
`
`[0028]
`
`2 Oil pump
`
`[0029]
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`3 Hydraulic oil tank
`
`[0030]
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`4 Motor
`
`[0031]
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`5 Fracturing pump
`
`[0032]
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`6 First oil line
`
`[0033]
`
`7 Second oil line
`
`[0034]
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`10 Chassis
`
`[0035]
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`11 Truck body
`
`[0036]
`
`12 Cooling box
`
`[0037]
`
`41 Power output gear
`
`[0038]
`
`51 Power input gear
`
`Specific Implementation
`
`[0039]
`
`It should be noted that the descriptions of specific structures and
`
`the order of descriptions in this section are only intended to explain
`
`particular embodiments and should not be regarded as limiting the scope of the
`
`invention. Furthermore, the features of the embodiments in this section can be
`
`combined with each other as long as they do not conflict.
`
`[0040]
`
`Please refer to Figures 1, 2, and 3. Below, the embodiments of the
`
`invention will be described in detail with reference to the figures.
`
`[0041]
`
`As shown in Figure 1, the fracturing pump transmission system in this
`
`embodiment of the invention may include multiple engines 1, multiple oil pumps
`
`2, and multiple motors 4. For clarity, Figure 1 also illustrates a fracturing
`
`pump 5. In this application, “multiple” refers to two or more.
`
`[0042]
`
`Each engine 1 is used to drive at least one oil pump 2, multiple oil
`
`pumps 2 are used to supply pressure oil to multiple motors 4, and all the
`
`multiple motors 4 are used to drive the fracturing pump 5.
`
`[0043]
`
`In specific implementation, the power output end of each engine 1 is
`
`9
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`LIBERTY EXHIBIT 1010, Page 9
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`CN 103742382 A
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`D e s c r i p t i o n
`
`in transmission connection with the power shaft of at least one oil pump 2, and
`
`of course, components such as a transfer case can also be added to the
`
`transmission connection line as needed, which is not limited in embodiments of
`
`the invention. As shown in Figure 1, the oil intake port of each oil pump 2 is
`
`connected to a hydraulic oil tank 3, and the output port of each oil pump 2 can
`
`merge via a first oil line 6 and connect to the first oil ports of multiple
`
`motors 4, simultaneously providing pressure oil to multiple motors 4. The
`
`second oil ports of multiple motors 4 return the oil to the hydraulic oil tank
`
`3 via a second oil line 7. It should be noted that in Figure 1, multiple oil
`
`pumps 2 supply oil to multiple motors 4 using a merging method, but in other
`
`cases, each oil pump 2 can be connected to at least one motor 4 through a
`
`corresponding oil line, that is, each oil pump 2 supplies pressure oil to at
`
`least one motor 4. Additionally, corresponding control valves (or control valve
`
`groups) can be installed on the oil lines between the oil pumps 2, motors 4,
`
`and hydraulic oil tank 3 to control the oil intake and return states of the
`
`motors 4. For schemes involving single or multiple oil pumps controlling
`
`single or multiple motors through control valve groups, refer to relevant
`
`description of the existing technologies, which will not be elaborated upon
`
`here.
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`10
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`LIBERTY EXHIBIT 1010, Page 10
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`CN 103742382 A
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`D e s c r i p t i o n
`
`[0044]
`
`Additionally, in specific implementation, there are various ways for
`
`multiple motors 4 to drive the fracturing pump 5, as long as the motors 4 can
`
`drive the fracturing pump 5 to rotate, which are not limited in the embodiments
`
`of the invention. In Figure 2, a preferred transmission connection method
`
`between motors 4 and a fracturing pump 5 is illustrated. As shown in Figure 2,
`
`the fracturing pump 5 is a crankshaft-type plunger pump. At both ends of the
`
`crankshaft-type plunger pump, there are power input gears 51, and each motor 4
`
`engages at least with the power input gears 51 at one end of the crankshaft-
`
`type plunger pump through a power output gear 41 (whose pitch circle diameter
`
`is smaller than that of the power input gear). More preferably, the number of
`
`power output gears 41 engaged with the power input gear 51 at both ends of the
`
`crankshaft-type plunger pump is the same, which enables more balanced power
`
`transmission and distribution at both ends of the crankshaft-type plunger pump.
`
`More preferably, the power output gears 41 at either end of the crankshaft-type
`
`plunger pump are arranged evenly around the power input gear 51, which enables
`
`more reliable power transmission at either end of the crankshaft-type plunger
`
`pump.
`
`[0045]
`
`The following describes the principles and technical effects of the
`
`fracturing pump transmission system in the embodiment abvoe in combination with
`
`specific scenarios:
`
`[0046]
`
`During use, the end of the fracturing pump 5 is connected to a
`
`distribution and manifold system. When in operation, multiple engines 1 are
`
`started, driving multiple oil pumps 2 into operation. The multiple oil pumps 2
`
`supply pressure oil to multiple motors 4, causing the multiple motors 4 to
`
`rotate, the multiple motors 4 drive the fracturing pump 5 to rotate, and thus
`
`the fracturing pump 5 delivers fracturing fluid, which merges through the
`
`distribution and manifold system and is then output. Compared with existing
`
`technologies, the embodiment of the invention does not require the use of a
`
`single high-power diesel engine. Instead, multiple engines 1 are used, and the
`
`power load of each engine 1 can be effectively reduced while still meeting the
`
`maximum power requirement. Therefore, it allows for the use of common, low-
`
`power engines, which significantly expands the selection range. Correspondingly,
`
`the selection range of oil pumps 2 and motors 4 can also be effectively
`
`increased, and various matching configurations can be realized. Additionally,
`
`this transmission scheme makes engines 1, oil pumps 2, and motors 4 easier to
`
`obtain or purchase, without being restricted by imported or specialized
`
`components, thereby effectively reducing the component costs of the fracturing
`
`11
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`LIBERTY EXHIBIT 1010, Page 11
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`CN 103742382 A
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`D e s c r i p t i o n
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`pump transmission system. Moreover, if one engine, oil pump, or motor fails
`
`after this transmission scheme is adopted, the entire transmission system can
`
`still continue the fracturing operation for a certain period, thereby
`
`significantly improving safety redundancy and reducing the risk of losses for a
`
`construction party. Furthermore, this transmission scheme facilitates hydraulic
`
`control, allowing for both forward and reverse rotation of the motors, which in
`
`turn enables forward and reverse rotation of the fracturing pump (in existing
`
`technologies, a fracturing pump can only rotate in one direction by following
`
`the diesel engine as limited by the transmission scheme thereof), thereby
`
`expanding the functionality of the fracturing truck (e.g., reverse-pump
`
`cleaning function).
`
`[0047]
`
`It should be noted that, in specific implementation of the above
`
`embodiment, one of the multiple engines 1 can adopt a chassis engine of the
`
`fracturing truck, which can fully utilize the efficiency of the chassis engine
`
`by allowing it to function during both movement and operational processes.
`
`[0048]
`
`It should be noted that, in the above embodiments, there are multiple
`
`engines 1, which facilitates selection, cost control, and improved reliability
`
`(safety redundancy). However, in other embodiments, there may also be a single
`
`engine 1, that is, a single high-power engine (e.g., using a transfer case) is
`
`used to drive multiple oil pumps 2. This approach also facilitates the
`
`selection of oil pumps 2 and motors 4 and appropriately enhances the
`
`reliability of the transmission system, as well as facilitating the realization
`
`of the forward and reverse rotation of the fracturing pump 5.
`
`[0049]
`
`As shown in Figure 3, other embodiments of this invention further
`
`provide a fracturing truck, which includes a chassis 10, a fracturing pump 5,
`
`and the fracturing pump transmission system in the above embodiment. This
`
`fracturing pump transmission system is installed on the truck body 11 of the
`
`chassis 10. Based on the technical effects of the fracturing pump transmission
`
`system described earlier, this fracturing truck can effectively reduce
`
`manufacturing costs and production difficulty of the fracturing truck while
`
`also effectively improving operational efficiency and maintainability.
`
`12
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`LIBERTY EXHIBIT 1010, Page 12
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`CN 103742382 A
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`D e s c r i p t i o n
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`[0050]
`
`In the specific implementation process, the fracturing truck can adopt
`
`the following preferred layout: multiple engines 1 (excluding the chassis
`
`engine) and the fracturing pump 5 are sequentially installed from front to back
`
`on the truck body 11 of the chassis 10. "Front" refers to the forward driving
`
`direction of the chassis 10. The oil pumps 2 can be positioned on one side of
`
`the corresponding engine 1 while the multiple motors 4 are grouped and placed
`
`respectively at two ends of the fracturing pump 5. Furthermore, the hydraulic
`
`oil tank 3 can be placed in a first area above the multiple engines 1, for
`
`example, the first area may be disposed in a location near the operator's
`
`compartment of the chassis. Additionally, the cooling box 12 of the fracturing
`
`truck can also be positioned in a second area above the multiple engines 1, for
`
`example, the second area may be disposed in a location near the fracturing pump
`
`5. The cooling box 12 may be used for cooling the hydraulic oil.
`
`[0051]
`
`The specific implementation process of other parts of the fracturing
`
`truck can be found in relevant description of existing technologies and will
`
`not be described in detail here.
`
`[0052]
`
`The above description is merely a preferred embodiment of this
`
`invention and is not used to limit the invention. Any modifications, equivalent
`
`substitutions, or improvements made within the spirit and principles of this
`
`invention shall be included within the scope of protection of the invention.
`
`13
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`LIBERTY EXHIBIT 1010, Page 13
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`CN 103742382 A
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`D r a w i n g s
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`

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`CN 103742382 A
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`D r a w i n g s
`
`Figure 2
`
`Figure 3
`
`15
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`LIBERTY EXHIBIT 1010, Page 15
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`September 24, 2024
`
`Certification
`
`Welocalize Translations
`
`TRANSLATOR'S DECLARATION:
`
`This is to certify under penalty of perjury that I, Johnson Wong, personally
`translated from Chinese into English the document titled “1009 -
`CN_103742382_A Yi(121878470.1).”
`
`I am a certified translator and have over 1616 years of experience translating
`documents from Chinese to English and vice versa. I have translated over 1
`million words of patent documents.
`
`The translation attached here is a true and accurate translation of the original
`written document to the best of my ability and knowledge.
`
`I declare that all statements made herein of my knowledge are true and that all
`statements made on information and belief are believed to be true, and that
`these statements were made with the knowledge that willful false statements
`and the like so made are punishable by fine or imprisonment, or both, under
`Section 1001 of Title 18 of the United States Code.
`
`I declare under penalty of perjury under the laws of the United States of
`America that the foregoing is true and correct.
`(Digital or printed signature here above the line)
`
`________________________________________
`
`Johnson Wong
`
`Project Number: BBLLP_2409_P0008
`
`15 W. 37th Street 4th Floor
`New York, NY 10018
`212.581.8870
`
`LIBERTY EXHIBIT 1010, Page 16
`
`