US3185388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration compressor valve service
Assignee: Worthington Corp
•
Filing: 1963-10-02
•
Granted: 1965-05-25
•
Expires: 1983-10-02
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Siman
- 👤 Jr Rudolph Stegmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:07
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B39/102; F16; F16K; F16K15/00; F16K15/14; F16K15/1402; F16K2200/00; F16K2200/20; F16K2200/203; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/784; Y10T137/7859; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A COMPRESSOR HAVING A HEAD, A CYLINDER IN THE HEAD, AND A MANIFOLD CONNECTED TO THE HEAD TO RECEIVE FLUID DISCHARGED FROM THE CYLINDER; (A) A VALVE PLATE CARRIED ON THE HEAD AND HAVING MEANS FORMING A PASSAGE THEREIN COMMUNICATING THE CYLINDER WITH THE MANIFOLD, (B) GUIDE MEANS SUPPORTABLY EXTENDING FROM THE VALVE PLATE, (C) A CLOSURE ASSEMBLY SILDABLY MOUNTED ON SAID GUIDE MEANS AND BEING BIASED TOWARD THE VALVE PLATE TO PROVIDE A CLOSURE TO THE MEANS FORMING SAID PASSAGE THEREIN FOR CONTROLLING FLOW OF FLUID FROM THE CYLINDER, (D) AT LEAST A PORTION OF SAID GUIDE MEANS BEING NONRIGIDLY POSITIONED IN THE VALVE PLATE TO PERMIT DEFLECTION OF THE GUIDE MEANS UNDER THE INFLUENCE OF PRESSURE EXERTED BY THE CLOSURE ASSEMBLY.
Claim 2
Dependent Claim
124 words
IN A COMPRESSOR HAVING A HEAD, A CYLINDER IN THE HEAD, AND A MANIFOLD CONNECTED TO THE HEAD TO RECEIVE FLUID DISCHARGED FROM THE CYLINDER; (A) A VALVE PLATE CARRIED ON THE HEAD AND HAVING MEANS FORMING A PASSAGE THEREIN COMMUNICATING THE CYLINDER WITH THE MANIFOLD, (B) GUIDE MEANS SUPPORTABLY EXTENDING FROM THE VALVE PLATE, (C) A CLOSURE ASSEMBLY SILDABLY MOUNTED ON SAID GUIDE MEANS AND BEING BIASED TOWARD THE VALVE PLATE TO PROVIDE A CLOSURE TO THE MEANS FORMING SAID PASSAGE THEREIN FOR CONTROLLING FLOW OF FLUID FROM THE CYLINDER, (D) AT LEAST A PORTION OF SAID GUIDE MEANS BEING NONRIGIDLY POSITIONED IN THE VALVE PLATE TO PERMIT DEFLECTION OF THE GUIDE MEANS UNDER THE INFLUENCE OF PRESSURE EXERTED BY THE CLOSURE ASSEMBLY.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |