Patent US4092994A successfully refreshed from Google Patents.
US4092994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valves
Assignee: United Gas Industries Ltd
•
Filing: 1976-03-19
•
Granted: 1978-06-06
•
Expires: 1996-03-19
Abstract
Abstract A floating O-ring is located between a valve plate and a valve seat to seal the valve, and is prevented from slipping out of alignment with the seat by cylindrical or conical guide structure.
Inventors
- 👤 Eric McGowan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:44
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/46; Y; Y10; Y10S; Y10S251/00; Y10S251/90; Y10T; Y10T137/00; Y10T137/1407
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
116 words
A valve having a valve plate and an annular valve seat, said valve plate being movable axially toward and away from said seat, an annular sealing member lying freely between said plate and seat, guide means comprising a disc with a single ring of spaced fingers extending normally therefrom around the periphery thereof, said disc abutting the valve plate and said spaced fingers extending loosely within the annular sealing member to prevent lateral movement thereof such as would take it out of alignment with the seat but allowing the sealing member freedom to move axially with respect to the fingers and means for operating said valve by abutting the disc and thereby moving the valve plate.
Claim 2
Dependent Claim
116 words
A valve having a valve plate and an annular valve seat, said valve plate being movable axially toward and away from said seat, an annular sealing member lying freely between said plate and seat, guide means comprising a disc with a single ring of spaced fingers extending normally therefrom around the periphery thereof, said disc abutting the valve plate and said spaced fingers extending loosely within the annular sealing member to prevent lateral movement thereof such as would take it out of alignment with the seat but allowing the sealing member freedom to move axially with respect to the fingers and means for operating said valve by abutting the disc and thereby moving the valve plate.
Claim 3
Dependent Claim
20 words
A valve as claimed in claim 1 wherein said annular sealing member is an O-ring formed of resilient plastics material.
Claim 4
Dependent Claim
34 words
A valve as claimed in claim 2, wherein said means for operating said valve includes a temperature-sensitive device moving an operating button in the sense to open the valve when increased temperature is sensed.
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) | 1981-06-05 | 1981-12-05 | 1982-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-05 | 1985-12-05 | 1986-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-05 | 1989-12-05 | 1990-06-06 | $7700.00 | Window Closed / Lapsed |