Patent US3589399A successfully refreshed from Google Patents.
US3589399A
Expired / Lapsed
US
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Cock or valve for controlling the working conditions of a gas heating apparatus
Assignee: GAR DE FRANCE
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Filing: 1969-12-02
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Granted: 1971-06-29
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Expires: 1989-12-02
Abstract
Abstract The invention relates to a cock for controlling a gas heating apparatus such as a cooker. The cock comprises a body in which is formed a first arcuate groove which communicates with the gas supply conduit, and an opening which communicates with the gas distribution conduit, a disc mounted opposite the said body and in which is formed a second arcuate groove and a washer mounted between the body and the disc and in which are provided calibrated orifices. According to the position of rotation of the cock, a certain number of said orifices interconnect said gas supply conduit to said second gas conduit.
Inventors
- 👤 Roger Vignes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:13
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/10; F16K5/103; F16K5/106; F16K3/00; F16K3/02; F16K3/04; F16K3/06; F16K3/08; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86734
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
147 words
A cock for controlling the operating conditions of a gas heating apparatus interconnecting a supply conduit and a distribution conduit, comprising a body in which is formed a first groove substantially in the shape of an arc of a circle which communicates with a first aforesaid conduit, and an opening which communicates with the second aforesaid conduit, a disc mounted opposite the said body and in which is formed a second groove substantially in the shape of an arc of a circle, and a washer mounted between the body and the disc and in which are provided calibrated orifices, a variable number of which according to the positions of rotation of the cock, interconnect the said first and second grooves, while simultaneously the second groove and the said second gas conduit communicate with one another through an orifice provided in said washer opposite said second gas conduit.
Claim 2
Dependent Claim
147 words
A cock for controlling the operating conditions of a gas heating apparatus interconnecting a supply conduit and a distribution conduit, comprising a body in which is formed a first groove substantially in the shape of an arc of a circle which communicates with a first aforesaid conduit, and an opening which communicates with the second aforesaid conduit, a disc mounted opposite the said body and in which is formed a second groove substantially in the shape of an arc of a circle, and a washer mounted between the body and the disc and in which are provided calibrated orifices, a variable number of which according to the positions of rotation of the cock, interconnect the said first and second grooves, while simultaneously the second groove and the said second gas conduit communicate with one another through an orifice provided in said washer opposite said second gas conduit.
Claim 3
Dependent Claim
73 words
A cock according to claim 1, wherein the said first and second grooves are centered on the axis of rotation of the cock, have the same mean radius of curvature and the said calibrated orifices as well as the conduit distributing the gas to the burner are centered on the cylinder whose axis is the axis of rotation of the cock and whose radius of curvature is the said mean radius of curvature.
Claim 4
Dependent Claim
101 words
A cock according to claim 2, wherein the washer is fixedly mounted on said body, the said calibrated orifices are arranged in steps circularly opposite the said first groove, and the disc turns with respect to the washer and to the body, the said second groove being located, depending on the open positions of the cock, on the one hand opposite the said orifice formed in the said washer opposite said second conduit, and on the there hand opposite a more or less large number or none of tee said calibrated orifices according to the position of rotation of the cock.
Claim 5
Dependent Claim
31 words
A cock according to claim 3, wherein said washer is mounted in circular passages formed on the faces opposite the disc and the body ensuring the fluid tightness of the assembly.
Claim 6
Dependent Claim
79 words
A cock according to claim 3, wherein the said first groove extends over an angle on the order of 140* to 150*, the said second groove extends over an angle substantially equal to 180*, the gas supply and distribution conduits in the body are diametrally opposed, and at least one series of calibrated orifices are formed in the said washer, are shifted angularly and extend over an angle substantially equal to the opening angle of the said first groove.
Claim 7
Dependent Claim
14 words
A cock according to claim 5, wherein the successive calibrated orifices have decreasing surfaces.
Claim 8
Dependent Claim
21 words
A cock according to claim 5, wherein two symmetrical sets of calibrated orifices with different openings are provided in the washer.
Claim 9
Dependent Claim
18 words
A cock according to claim 3, wherein the disc is formed in the control knob of the cock.
Claim 10
Dependent Claim
46 words
A cock according to claim 3, wherein the disc is resiliently pressed against the washer through the medium of resilient means and of a central screw screwed in a central pivot pin provided on the base body and forming an axis of rotation for the disc.
Claim 11
Dependent Claim
39 words
A cock according to claim 6, wherein the cross section of flow of the first calibrated orifice corresponding to the minimum gas flow fed to the burner is notably superior to that of at least the adjacent calibrated orifice.
References Cited (Backward Citations)
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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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |