US3712333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure compensating regulator
Assignee: GERLACH INDUSTRIES Inc A CORP OF
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Filing: 1970-09-23
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Granted: 1973-01-23
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Expires: 1990-09-23
Abstract
Abstract This invention relates to a pressure regulator utilizing a compensating valve seat to maintain the outlet pressure substantially constant even though the inlet pressure is decreased.
Inventors
- 👤 A Semon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:51
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/365; G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0663; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2607; Y10T137/261; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7785; Y10T137/7793; Y10T137/7822; Y10T137/7823; Y10T137/7825
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
115 words
In a fluid pressure compensating regulator, a casing having an inlet and an outlet; a valve chamber interposed between the said inlet and outlet and having a communication with the inlet; a diaphragm chember having communications with the valve chamber and the outlet; a valve seat in the communication between the valve chamber and the diaphragm chamber and arranged to contract at its seating contact point under high pressure and to expand when the pressure is decreased; a valve of square shape slidable in the valve chamber, yieldingly urged toward the valve seat and having an extension projecting into the diaphragm chamber; and a diaphragm in the diaphragm chamber in contact with the valve extension.
Claim 2
Dependent Claim
115 words
In a fluid pressure compensating regulator, a casing having an inlet and an outlet; a valve chamber interposed between the said inlet and outlet and having a communication with the inlet; a diaphragm chember having communications with the valve chamber and the outlet; a valve seat in the communication between the valve chamber and the diaphragm chamber and arranged to contract at its seating contact point under high pressure and to expand when the pressure is decreased; a valve of square shape slidable in the valve chamber, yieldingly urged toward the valve seat and having an extension projecting into the diaphragm chamber; and a diaphragm in the diaphragm chamber in contact with the valve extension.
Claim 3
Dependent Claim
41 words
A fluid pressure compensating regulator as claimed in claim 1, wherein the valve seat is of resilient material, having an orifice surrounded by a split annular spring that slightly overlaps at low pressure and the overlapment increases as the pressure increases.
Claim 4
Dependent Claim
26 words
A fluid pressure compensating regulator as claimed in claim 2, wherein the valve seat is flat and in contact with the flat surface of the valve.
References Cited (Backward Citations)
US2731975A
Cited
US2899979A
Cited
FR552052A
Cited
US2768643A
Cited
US2764183A
Cited
US2747607A
Cited
US2979067A
Cited
FR1263971A
Cited
US3166500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |