Patent US4524806A successfully refreshed from Google Patents.
US4524806A
Expired / Lapsed
US
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Pressure valve for a compressor
Assignee: Danfoss AS
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Filing: 1984-02-03
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Granted: 1985-06-25
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Expires: 2004-02-03
Abstract
Abstract A pressure valve for a compressor of the hermetically encapsulated type. The valve includes a valve plate with a valve seat and upstanding pins on which at least one catch plate is placed to limit the stroke of a closing member formed by a valve leaf spring. The valve seat is disposed in an elongated depression of the valve plate and the pins are formed on an insert spring into the recess.
Inventors
- 👤 Bendt W. Romer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:14
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B39/1073; F16; F16K; F16K15/00; F16K15/14; F16K15/16; F16K15/161; F16K15/162; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7891; Y10T137/7892
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
104 words
A pressure valve for a compressor, comprising, a valve plate, a valve cover, a valve seal disposed between said valve plate and said valve cover, means connecting said valve cover to said valve plate, said valve plate having an elongated recess in the surface thereof in which is disposed an aperture and a surrounding valve seat, an elongated resilient insert having upstanding pins, said insert being sprung into said elongated recess, an elongated resilient leaf spring having a recess at one end thereof in which one of said pins is disposed, and an elongated catch plate for limiting the stroke of said leaf spring.
Claim 2
Dependent Claim
104 words
A pressure valve for a compressor, comprising, a valve plate, a valve cover, a valve seal disposed between said valve plate and said valve cover, means connecting said valve cover to said valve plate, said valve plate having an elongated recess in the surface thereof in which is disposed an aperture and a surrounding valve seat, an elongated resilient insert having upstanding pins, said insert being sprung into said elongated recess, an elongated resilient leaf spring having a recess at one end thereof in which one of said pins is disposed, and an elongated catch plate for limiting the stroke of said leaf spring.
Claim 3
Dependent Claim
36 words
A pressure valve according to claim 1 characterized in that said upstanding pins are at the ends of said insert, said insert having an elongated cut-out section, said leaf spring being disposed in said cut-out section.
Claim 4
Dependent Claim
26 words
A pressure valve according to claim 1 characterized in that the end sections of said insert are bowed to facilitate mounting said insert in said recess.
Claim 5
Dependent Claim
20 words
A pressure valve according to claim 1 characterized in that said pins are made in one piece with said insert.
Claim 6
Dependent Claim
27 words
A pressure valve according to claim 3 characterized by said insert end sections have detent projections, said leaf spring having recesses in which said projections are disposed.
Claim 7
Dependent Claim
32 words
A pressure valve according to claim 5 characterized in that an auxiliary valve leaf spring covers said leaf spring, said auxiliary leaf spring also having recesses in which said projections are disposed.
Claim 8
Dependent Claim
28 words
A pressure valve according to claim 6 characterized in that said leaf spring and said auxiliary leaf spring have end located recesses in which said pins are disposed.
Claim 9
Dependent Claim
27 words
A pressure valve according to claim 6 wherein the thickness of said insert is somewhat greater than the thickness of at least one of said leaf springs.
Claim 10
Dependent Claim
42 words
A pressure valve according to claim 5 characterized in that said catch plate has recesses at the ends thereof in which said upstanding pins are disposed, and a bridge spring clamped in abutting engagement with said catch plate via said upstanding pins.
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) | 1988-06-24 | 1988-12-24 | 1989-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-24 | 1992-12-24 | 1993-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-24 | 1996-12-24 | 1997-06-25 | $7700.00 | Window Closed / Lapsed |