Patent US4316328A successfully refreshed from Google Patents.
US3640340A
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Heat exchange device with convoluted heat transfer wall
Assignee: OMNIS SURGICAL Inc A DE CORP
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Filing: 1970-11-20
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Granted: 1972-02-08
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Expires: 1990-11-20
Abstract
Abstract A heat exchanger device with a convoluted heat transfer wall to define a first and second set of flow channel defining pockets having oppositely opening mouths. Each set of pocket mouths communicates with a separate fluid inlet and fluid outlet means disposed adjacent opposite ends of the pocket mouths. Sets of continuous ridges fit into the pocket mouths between each fluid inlet and outlet to provide flow channels of unvarying width by preventing transverse movement of the convolutions of the heat transfer wall, as well as to seal the pocket mouths between each fluid inlet and outlet.
Inventors
- 👤 R J Leonard
- 👤 F M Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:45
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/44; F; F28; F28D; F28D9/00; F28D9/0025; A61M2205/00; A61M2205/36; A61M2205/366; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/399
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
124 words
A heat exchanger device which defines a heat transfer wall of convoluted shape to define a first set and a second set of flow channel defining pockets, the mouths of the pockets of the first set opening in a direction opposite to the mouths of the pockets of the seCond set, a fluid inlet and a fluid outlet disposed adjacent opposite ends of the pocket mouths of each of said first and second sets, and sets of continuous sealing ridges fitting into said pocket mouths between each said fluid inlet and outlet to provide flow channels of unvarying width by preventing transverse movement of the convolutions of said heat transfer wall, and to seal said pocket mouths between each said fluid inlet and outlet.
Claim 2
Dependent Claim
124 words
A heat exchanger device which defines a heat transfer wall of convoluted shape to define a first set and a second set of flow channel defining pockets, the mouths of the pockets of the first set opening in a direction opposite to the mouths of the pockets of the seCond set, a fluid inlet and a fluid outlet disposed adjacent opposite ends of the pocket mouths of each of said first and second sets, and sets of continuous sealing ridges fitting into said pocket mouths between each said fluid inlet and outlet to provide flow channels of unvarying width by preventing transverse movement of the convolutions of said heat transfer wall, and to seal said pocket mouths between each said fluid inlet and outlet.
Claim 3
Dependent Claim
38 words
The device of claim 1 in which each fluid inlet, fluid outlet, and set of continuous ridges communicating with a single set of pocket mouths are defined by a unitary, elastomeric manifold fitting over each set of pockets.
Claim 4
Dependent Claim
29 words
The device of claim 2 in which the ends of said convoluted heat transfer wall are potted with sealant to prevent fluid leakage from the ends of said pockets.
Claim 5
Dependent Claim
34 words
The device of claim 3 in which each said manifold has separate ridge extensions at the ends thereof for sealing fit into said pockets, said ridge extensions being beveled outwardly to receive said sealant.
Claim 6
Dependent Claim
47 words
The device of claim 4 in which the outer lateral walls of said manifolds are sealed to said convoluted heat transfer wall with beads of sealant which are spaced from each other to expose portions of said heat transfer wall between said sealant beads to the exterior.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |