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Publication Title | UnitedStatesPatent Chapman etal. PatentN0.: US 6,293,338B1 Date ofPatent: Sep.25,2001 GAS TURBINE ENGINE RECUPERATOR

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Text | UnitedStatesPatent Chapman etal. PatentN0.: US 6,293,338B1 Date ofPatent: Sep.25,2001 GAS TURBINE ENGINE RECUPERATOR | 001



(12)UnitedStatesPatent Chapman etal.

(10)PatentN0.: US 6,293,338B1 (45)Date ofPatent: Sep.25,2001

(54) GAS TURBINE ENGINE RECUPERATOR 3,831,374 4,049,051 (75) Inventors:WilliamI.Chapman,BeverlyHills; 4,073,340

8/1974 9/1977 2/1978

Nicita .. 60/39.51 R Parker ................................. 165/166 Parker ~-~ ~165/166

(73) AsSignee:

*_

( ) Notice:

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4/1991 Horgan etal. 9/1991 Peterson et al. 1/1992 Danagh __ 4/1992 Malohn

1/1994 Hanms . 6/1994 Malohn ....... 2/1995 Kadambi et al.

.

165/145 165/81 _ 165/81

60/39511 165/103

60/39511 60/39511 165/166

(56)

1,662,870

1,825,498

2,643,512

2,650,073

2J925J714

332163495

39511 39512 3952 ’’

References Cited

U'S' PATENT DOCUMENTS

3/1928 Stancliffe ..165/166

AssistantExammer—Terrell McKmnon

(74) Attorney, Agent, or Firm—Dinnin & Dunn PC.

(57) ABSTRACT

A recuperatorforagasturbineenginecomprisesaplurality

of Cells that are orientated in an annular array and attached to one another at only the radially inner edges thereof. Each cell comprises a high pressure plate having spaced integral ribs thereon de?ning a plurality of loW temperature com pressed air passages and a loW pressure plate having 21 pluralityofspacedribsde?ningapluralityofhightempera ture exhaust as assa es

gpg'

23 Claims, 2 Drawing Sheets

Samuel B. Williams, Bloom?eld Hills, ,,* both of MI (Us) 4,338,998 *

Wil?leidamLsakIenteMrnIat(iUosn)al Co. L.L.C., ,,*

W‘ > 5,004,044 ____ 5,050,668 SubJect to any disclaimer, the term of this 570827050

patent is extended or adjusted under 35 5,105,617 U.S.C. 154(b) by0 days. 5,279,358

£11c920’?s6otna1~ .

7/1982 001011 .. 165/165

.

(21) Appl'NO" 09/433’445

(22)Filed; NW4,1999

(51) Int.Cl.7 ..F28F3/00

(52) US. Cl. ..165/166; 165/167; 165/170; 60/39512; 60/3952

(58) FieldofSearch..165/52,165,166, 165/DIG.356,170;60/3907,39.17,39.182, PrimaryExam/6H95'Law“?

9/1931 WOgaIl ,, 6/1953 Stalker 8/1953 HOlIIl 2/1960 Cook ~~

11/1965 Johnson 1/1966 Stemetal..

165/157 .60/39.161 165/140

-6059161 165/166 165/166

165/166

3,228,464

3,507,115 * 4/1970 Wisoka ..

3,741,293 6/1973 Haberski ..

3,818,984 6/1974 Nakamura eta. .. 165/166

165/166

£8

US006293338B1

5,323,603 *

5,388,398

5,555,933 * 9/1996 Darraghetal..

5,855,112 1/1999Bannaietal.

6,066,898 * 5/2000 Jensen .........

6,112,403 * 9/2000 Ervinetal...29/726

* _ _ ‘med by exammer

_ _

60/39.511 290/52

Image | UnitedStatesPatent Chapman etal. PatentN0.: US 6,293,338B1 Date ofPatent: Sep.25,2001 GAS TURBINE ENGINE RECUPERATOR



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