United States
`(19)
`a2) Patent Application Publication 10) Pub. No.: US 2010/0181843 Al
`Schatz et al.
`(43) Pub. Date:
`Jul. 22, 2010
`
`
`US 20100181843A1
`
`(54) WIRELESS ENERGY TRANSFER FOR
`REFRIGERATOR APPLICATION
`
`(76)
`
`Inventors:
`
`David A. Schatz, Needham, MA
`(US); Herbert T. Lou, Carlisle, MA
`(US); Morris P. Kesler, Bedford,
`MA (US); Katherine L. Hall,
`Westford, MA (US); Konrad J.
`Kulikowski, Somerville, MA (US);
`Eric R. Giler, Wellesley, MA (US);
`RonFiorello, Tewksbury, MA (US)
`
`Correspondence Address:
`STRATEGIC PATENTSP.C..
`C/O PORTFOLIOIP, P.O. BOX 52050
`MINNEAPOLIS, MN 55402 (US)
`
`(21) Appl. No.:
`:
`Filed:
`
`(22)
`
`12/722,050
`
`Mar. 11, 2010
`
`768, filed on Jun. 1, 2009, provisional application No.
`61/121,159, filed on Dec. 9, 2008, provisional appli-
`cation No. 61/142,977, filed on Jan. 7, 2009, provi-
`sional application No. 61/142,885, filed on Jan. 6,
`2009,provisional application No. 61/142,796,filed on
`Jan. 6, 2009, provisional application No. 61/142,889,
`filed on Jan. 6, 2009, provisional application No.
`61/142,880, filed on Jan. 6, 2009, provisional applica-
`tion No. 61/142,818,filed on Jan. 6, 2009, provisional
`application No. 61/142,887,filed on Jan. 6, 2009,pro-
`visional application No. 61/156,764, filed on Mar. 2,
`2009, provisional application No. 61/143,058, filed on
`Jan. 7, 2009, provisional application No. 61/152,390,
`filed on Feb. 13, 2009, provisional application No.
`61/163,695, filed on Mar. 26, 2009, provisional appli-
`cation No. 61/172,633, filed on Apr. 24, 2009, provi-
`sional application No. 61/169,240, filed on Apr. 14,
`2009, provisional application No. 61/173,747, filed on
`Apr. 29, 2009.
`
`Publication Classification
`
`Related U.S. Application Data
`
`(63) Continuation of application No. 12/698,523, filed on
`Feb. 2, 2010, which is a continuation-in-part Of appli-
`cation No. 12/567,716, filed on Sep. 25, 2009.
`_
`,
`(60) Provisional application No. 61/254,559, filed on Oct.
`23, 2009, provisional application No. 61/100,721,
`filed on Sep. 27, 2008, provisional application No.
`61/108,743, filed on Oct. 27, 2008, provisional appli-
`cation No. 61/147,386,filed on Jan. 26, 2009, provi-
`sional application No. 61/152,086, filed on Feb. 12,
`2009, provisional application No. 61/178,508,filed on
`May 15, 2009, provisional application No. 61/182,
`
`(51)
`
`Int. Cl.
`(2006.01)
`H02J 17/00
`(52) U.S. CMe csesessssessssssenssessnsssessnnseesenssessensee 307/104
`
`(57)
`
`ABSTRACT
`
`Described herein are improved configurations for a refrigera-
`tor with wireless powertransfer that includes an enclosure
`member comprising a non-metallic material, a source com-
`prising at least one high-Q source magnetic resonator coupled
`to a power source and generating an oscillating magnetic
`field, wherein the source is integrated into the enclosure
`memberofthe refrigerator.
`
`1000
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`Exhibit 1007
`Page 001
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`Momentum Dynamics Corporation
`Exhibit 1007
`Page 001
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`

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`WIRELESS ENERGY TRANSFER FOR
`REFRIGERATOR APPLICATION
`
`CROSS-REFERENCE TO RELATED
`APPLICATIONS
`
`[0001] This application is a continuation of U.S. applica-
`tion Ser. No. 12/698,523 (523) filed Feb. 2, 2010, whichis
`hereby incorporated by reference in its entirety, and which
`claims the benefit of the following U.S. patent application,
`whichis hereby incorporated by reference in its entirety: U.S.
`Provisional App. No. 61/254,559 filed Oct. 23, 2009.
`[0002] The °523 application is a continuation-in-part of
`USS. application Ser. No. 12/567,716 filed Sep. 25, 2009
`which claims the benefit of the following U.S. Provisional
`Patent Applications: U.S. App. No. 61/100,721 filed Sep. 27,
`2008; U.S. App. No. 61/108,743 filed Oct. 27, 2008; U.S.
`App. No. 61/147,386 filed Jan. 26, 2009; U.S. App. No.
`61/152,086 filed Feb. 12, 2009; U.S. App. No. 61/178,508
`filed May 15, 2009; U.S. App. No. 61/182,768 filed Jun. 1,
`2009; U.S. App. No. 61/121,159 filed Dec. 9, 2008; U.S. App.
`No. 61/142,977filed Jan. 7, 2009; U.S. App. No. 61/142,885
`filed Jan. 6, 2009; U.S. App. No. 61/142,796 filed Jan. 6,
`2009; U.S. App. No. 61/142,889filed Jan. 6, 2009; U.S. App.
`No. 61/142,880filed Jan. 6, 2009; U.S. App. No. 61/142,818
`filed Jan. 6, 2009; U.S. App. No. 61/142,887 filed Jan. 6,
`2009; U.S. App. No. 61/156,764filed Mar. 2, 2009; U.S. App.
`No. 61/143,058 filed Jan. 7, 2009; U.S. App. No. 61/152,390
`filed Feb. 13, 2009; U.S. App. No. 61/163,695 filed Mar. 26,
`2009; U.S. App. No. 61/172,633 filed Apr. 24, 2009; ULS.
`App. No. 61/169,240 filed Apr. 14, 2009, U.S. App. No.
`61/173,747 filed Apr. 29, 2009.
`[0003] Each of the foregoing applications is incorporated
`herein by referencein its entirety.
`
`BACKGROUND
`
`1. Field
`[0004]
`[0005] This disclosure relates to wireless energy transfer,
`also referred to as wireless powertransmission.
`[0006]
`2. Description of the Related Art
`[0007] Energy or power may be transferred wirelessly
`using a variety of knownradiative, or far-field, and non-
`radiative, or near-field, techniques. For example, radiative
`wireless information transfer using low-directionality anten-
`nas, such as those used in radio and cellular communications
`systems and home computer networks, may be considered
`wireless energy transfer. However,this type ofradiative trans-
`fer is very inefficient because only a tiny portion of the sup-
`plied or radiated power, namely, that portion in the direction
`of, and overlapping with, the receiver is picked up. The vast
`majority of the poweris radiated awayin all the other direc-
`tions andlost in free space. Such inefficient power transfer
`may be acceptable for data transmission, but is not practical
`for transferring useful amounts of electrical energy for the
`purpose of doing work, such as for powering or charging
`electrical devices. One way to improvethe transferefficiency
`of someradiative energy transfer schemesis to use directional
`antennas to confine and preferentially direct the radiated
`energy towards a receiver. However, these directed radiation
`schemes may require an uninterruptible line-of-sight and
`potentially complicated tracking and steering mechanisms in
`the case of mobile transmitters and/or receivers. In addition,
`such schemes may pose hazardsto objects or people that cross
`or intersect the beam when modestto high amounts of power
`
`are being transmitted. A known non-radiative, or near-field,
`wireless energy transfer scheme, often referred to as either
`induction or traditional induction, does not (intentionally)
`radiate power, but uses an oscillating current passing through
`a primary coil, to generate an oscillating magnetic near-field
`that induces currents in a near-by receiving or secondary coil.
`Traditional induction schemes have demonstrated the trans-
`
`mission of modest to large amounts of power, however only
`over very short distances, and with very small offset toler-
`ances between the primary power supply unit and the second-
`ary receiver unit. Electric transformers and proximity charg-
`ers are examples of devices that utilize this known short
`range, near-field energy transfer scheme.
`[0008] Therefore a need exists for a wireless powertransfer
`schemethat is capable of transferring useful amounts ofelec-
`trical power over mid-range distances or alignmentoffsets.
`Such a wireless powertransfer scheme should enable useful
`energy transfer over greater distances and alignmentoffsets
`than those realized with traditional induction schemes, but
`without the limitations and risks inherent in radiative trans-
`mission schemes.
`
`SUMMARY
`
`[0009] There is disclosed herein a non-radiative or near-
`field wireless energy transfer schemethat is capable of trans-
`mitting useful amounts of power over mid-range distances
`and alignment offsets. This inventive technique uses coupled
`electromagnetic resonators with long-lived oscillatory reso-
`nant modesto transfer power from a powersupply to a power
`drain. The technique is general and may be applied to a wide
`range of resonators, even where the specific examples dis-
`closed hereinrelate to electromagnetic resonators. Ifthe reso-
`nators are designed suchthat the energy storedbythe electric
`field is primarily confined within the structure and that the
`energy stored by the magneticfield is primarily in the region
`surrounding the resonator. Then, the energy exchange is
`mediated primarily by the resonant magnetic near-field.
`These types of resonators may be referred to as magnetic
`resonators. Ifthe resonators are designed suchthat the energy
`stored by the magnetic field is primarily confined within the
`structure and that the energy stored by the electric field is
`primarily in the region surrounding the resonator. Then, the
`energy exchange is mediated primarily by the resonant elec-
`tric near-field. These types ofresonators maybe referred to as
`electric resonators. Either type of resonator may also be
`referred to as an electromagnetic resonator. Both types of
`resonators are disclosed herein.
`
`[0010] The omni-directional but stationary (non-lossy)
`natureof the near-fields of the resonators we disclose enables
`
`efficient wireless energy transfer over mid-range distances,
`over a wide range of directions and resonator orientations,
`suitable for charging, powering, or simultaneously powering
`and charging a variety of electronic devices. As a result, a
`system may have a wide variety of possible applications
`wherea first resonator, connected to a powersource,is in one
`location, and a sec