Patent US1128416A successfully refreshed from Google Patents.
Patent US4237970A successfully refreshed from Google Patents.
US4237970A
Expired / Lapsed
US
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Plate type condensers
Assignee: Toshiba Corp
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Filing: 1979-05-07
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Granted: 1980-12-09
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Expires: 1999-05-07
Abstract
Abstract A plate type condenser is constituted by a primary condensation section and a secondary condensation section positioned on the downstream side of the primary condenser. The primary condenser comprises a plurality of condensation elements and a plurality of condensate discharge grooves extending along respective condensation elements and inclined in the form of a herringbone with respect to the passages which pass a heated medium to be condensed and a medium to be heated in opposite directions.
Inventors
- 👤 Haruo Uehara
- 👤 Michizo Miyoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:27
CPC Classifications
F; F28; F28F; F28F3/00; F28F3/02; F28F3/04; F28F3/042; F28F3/046; F28B; F28B1/00; F28B1/02; F28B9/00; F28B9/08; Y; Y10; Y10S; Y10S165/00; Y10S165/184; Y10S165/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
In a plate type condenser of the type wherein a plurality of spaced metal plates are arranged to define a plurality of passages therebetween and heated medium to be condensed and medium to be heated thereby are passed through said passages in the opposite directions, the improvement which comprises a primary condensation section including a plurality of condensattion elements and a plurality of condensate discharge grooves extending along respective condensation elements and inclined with respect to said passages, and a secondary condensation section positioned on the downstream side of said primary condensation section for condensing the heated medium not condensed by said primary condensation section, said secondary condensation section comprising a flat metal plate and a plurality of spaced metal rods secured to one surface of said metal plate.
Claim 2
Dependent Claim
129 words
In a plate type condenser of the type wherein a plurality of spaced metal plates are arranged to define a plurality of passages therebetween and heated medium to be condensed and medium to be heated thereby are passed through said passages in the opposite directions, the improvement which comprises a primary condensation section including a plurality of condensattion elements and a plurality of condensate discharge grooves extending along respective condensation elements and inclined with respect to said passages, and a secondary condensation section positioned on the downstream side of said primary condensation section for condensing the heated medium not condensed by said primary condensation section, said secondary condensation section comprising a flat metal plate and a plurality of spaced metal rods secured to one surface of said metal plate.
References Cited (Backward Citations)
US2285225A
Cited
US2596642A
Cited
US2587116A
Cited
US3358750A
Cited
US3862661A
Cited
US3840070A
Cited
GB1395013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-12-09 | 1984-06-09 | 1984-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-09 | 1988-06-09 | 1988-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-09 | 1992-06-09 | 1992-12-09 | $7700.00 | Window Closed / Lapsed |