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Publication Title | United States Patent Dewis et al. GAS TURBINE ENERGY STORAGE AND CONVERSION SYSTEM

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Text | United States Patent Dewis et al. GAS TURBINE ENERGY STORAGE AND CONVERSION SYSTEM | 001



(12)United States Patent Dewis et al.

(54) GAS TURBINE ENERGY STORAGE AND CONVERSION SYSTEM

(75) Inventors: DavidWilliamDewis,NorthHampton, NH (US);JamesKesseli,Greenland,NH

(US); Frank Wegner Donnelly, North Vancouver (CA); Thomas Wolf, Winchester,MA (US);TimothyUpton, Exeter,NH (US);JohnD.Watson, Evergreen,CO (US)

(73) Assignee: ICRTurbineEngineCorporation, Vancouver, British Columbia (CA)

(10) Patent N0.: US 8,499,874 B2

(*) Notice:

Subjecttoanydisclaimer,thetermofthis patent is extended or adjusted under 35 U.S.C. 154(b) by 240 days.

(Continued) FOREIGN PATENT DOCUMENTS

311027 12/2005 582981 4/1989

(Continued) OTHER PUBLICATIONS

(21) App1.No.: 12/777,916

(22) Filed: (65)

May 11,2010

Prior Publication Data

InternationalSearchReportforInternational(PCT)ApplicationNo. PCT/US2010/034375, mailed Jul. 15, 2010.

(Continued) PrimaryExaminer* J.AllenShriver,II

AssistantExaminer* JamesTriggs (74)Attorney,Agent,orFirm* SheridanRossPC.

(57) ABSTRACT Thepresentinventioncombinestheprinciplesofagasturbine engineWithanelectrictransmissionsystem.A methodand apparatus are disclosed for utilizing metallic and ceramic elements to store heat energy derived from a regenerative braking system. The subject invention uses this regenerated electrical energy to provide additional energy storage over conventional electrical storage methods suitable for a gas turbine engine. The subject invention provides engine brak ingforagasturbineengineasWellasreducingfuelconsump tion.

15 Claims, 16 Drawing Sheets

US 2010/0288571A1

Nov. 18,2010

Related US. Application Data

(60) ProvisionalapplicationNo.61/177,493,?ledonMay 12, 2009, provisional application No. 61/327,988, ?led on Apr. 26, 2010.

(51) Int.Cl. B60K 6/00

(2007.10)

(52) US. Cl.

USPC ......................180/165; 180/65.265; 180/305

(58) FieldofClassi?cationSearch

USPC ..180/165,65.2,65.3,303,304,305,

180/306;60/668,659,645,618 See application ?le for complete search history.

(56)

ReferencesCited U.S.PATENT DOCUMENTS

AT AU

(45) Date of Patent:

Aug. 6,2013

2,463,964 A 2,543,677 A 2,696,711 A 2,711,071 A 3,032,987 A 3,091,933 A 3,166,902 A 3,209,536 A 3,518,472 A 3,639,076 A 3,646,753 A

3/1949 Graf

2/1951 Traupel 12/1954 Marchantetal.

6/1955 Frankel 5/1962 Taylor

6/1963 Wagneretal. 1/1965 Maljanianetal.

10/1965 HoWesetal. 6/1970 O’Callaghan 2/1972 Rowen 3/1972 Stearnsetal.

US008499874B2

Image | United States Patent Dewis et al. GAS TURBINE ENERGY STORAGE AND CONVERSION SYSTEM



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