US3856186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure vessel fill and bleed valve assembly
Assignee: Motors Liquidation Co
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Filing: 1973-06-25
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Granted: 1974-12-24
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Expires: 1993-06-25
Abstract
Abstract A valve assembly includes a cylindrical housing having a flanged inner end engageable with the wall of a pressure vessel to locate the housing within an aperture in the wall. The housing is welded to the wall. The outer end of the housing includes a frustoconical seat and a like-shaped opening. A valve member is slidably received within the housing and is biased to a seated position by a coil compression spring seating between the valve member and a spring seat secured within the housing adjacent the inner end thereof. A tube extends through the valve member and through the spring seat internally of the spring. The tube is secured to the valve member and the outer end of the tube is pinched off and sealed. The valve member is displaced to fill the pressure vessel through the opening and is soldered to the housing opening after filling. When the sealed outer end of the tube is removed, the tube provides a bleed valve.
Inventors
- 👤 C Hay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:54
CPC Classifications
B; B60; B60R; B60R21/00; B60R21/02; B60R21/06; B60R21/08; Y; Y10; Y10T; Y10T137/00; Y10T137/9682
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
230 words
In combination with a pressure vessel having an apertured wall, a fill and bleed valve assembly, comprising, an annular hollow housing adapted to extend through the aperture in the wall of the pressure vessel and to be secured thereto, said housing including an outer end portion provided with a tapered inner surface, a valve member slidably received within the housing and including an outer tapered surface complementary to the tapered inner surface of the housing, resilient means biasing the valve member outwardly of the housing to seat the tapered outer surface thereof on the tapered inner surface of the housing, said valve member including a bore therethrough opening at its inner end to the housing and opening at its outer end to a hollow extension projecting outwardly of the valve member and of the outer end of the housing, means closing the outer end portion of the extension, the valve member being displaceable against the resilient biasing means to permit pressure fluid to flow between the valve member and the housing into the pressure vessel to fill the vessel, and means permanently sealing the valve member to the housing after the pressure vessel has been filled, removal of the closed outer end portion of the extension permitting pressure fluid to bleed out of the pressure vessel through the bore of the valve member and any unremoved portion of the extension.
Claim 2
Dependent Claim
230 words
In combination with a pressure vessel having an apertured wall, a fill and bleed valve assembly, comprising, an annular hollow housing adapted to extend through the aperture in the wall of the pressure vessel and to be secured thereto, said housing including an outer end portion provided with a tapered inner surface, a valve member slidably received within the housing and including an outer tapered surface complementary to the tapered inner surface of the housing, resilient means biasing the valve member outwardly of the housing to seat the tapered outer surface thereof on the tapered inner surface of the housing, said valve member including a bore therethrough opening at its inner end to the housing and opening at its outer end to a hollow extension projecting outwardly of the valve member and of the outer end of the housing, means closing the outer end portion of the extension, the valve member being displaceable against the resilient biasing means to permit pressure fluid to flow between the valve member and the housing into the pressure vessel to fill the vessel, and means permanently sealing the valve member to the housing after the pressure vessel has been filled, removal of the closed outer end portion of the extension permitting pressure fluid to bleed out of the pressure vessel through the bore of the valve member and any unremoved portion of the extension.
Claim 3
Dependent Claim
260 words
In combination with a pressure vessel having an apertured wall, a fill and bleed valve assembly, comprising, an annular hollow housing adapted to extend through the aperture in the wall of the pressure vessel and to be secured thereto, said housing including an outer end portion provided with a tapered inner surface, a valve member slidably received within the housing and including an outer tapered surface complementary to the tapered inner surface of the housing, spring seat means secured to the housing adjacent the inner end portion thereof, resilient means seating on the valve member and spring seat means to bias the valve member outwardly of the housing and seat the tapered outer surface thereof on the tapered inner surface of the housing, said valve member including an axial bore therethrough opening at its inner end to the housing and opening at its outer end to a hollow annular extension projecting outwardly of the valve member and of the outer end of the housing, means closing the outer end portion of the extension, the valve member being displaceable against the resilient biasing means to permit pressure fluid to flow between the valve member and the housing into the pressure vessel to fill the vessel, and means rigidly securing the valve member to the outer end portIon of the housing after the pressure vessel has been filled, removal of the closed outer end portion of the extension permitting pressure fluid to bleed out of the pressure vessel through the bore of the valve member and any unremoved portion of the extension.
Claim 4
Dependent Claim
260 words
In combination with a pressure vessel having an apertured wall, a fill and bleed valve assembly, comprising, an annular hollow housing adapted to extend through the aperture in the wall of the pressure vessel and to be secured thereto, said housing including an outer end portion provided with a tapered inner surface, a valve member slidably received within the housing and including an outer tapered surface complementary to the tapered inner surface of the housing, spring seat means secured to the housing adjacent the inner end portion thereof, resilient means seating on the valve member and spring seat means to bias the valve member outwardly of the housing and seat the tapered outer surface thereof on the tapered inner surface of the housing, said valve member including an axial bore therethrough opening at its inner end to the housing and opening at its outer end to a hollow annular extension projecting outwardly of the valve member and of the outer end of the housing, means closing the outer end portion of the extension, the valve member being displaceable against the resilient biasing means to permit pressure fluid to flow between the valve member and the housing into the pressure vessel to fill the vessel, and means rigidly securing the valve member to the outer end portIon of the housing after the pressure vessel has been filled, removal of the closed outer end portion of the extension permitting pressure fluid to bleed out of the pressure vessel through the bore of the valve member and any unremoved portion of the extension.
Claim 5
Dependent Claim
257 words
In combination with a pressure vessel having an apertured wall, a fill and bleed valve assembly, comprising, an annular hollow housing adapted to extend through the aperture in the wall of the pressure vessel and to be secured thereto, said housing including an outer end portion provided with a tapered inner surface, a valve member slidably received within the housing and including an outer tapered surface complementary to the tapered inner surface of the housing, resilient means biasing the valve member outwardly of the housing to seat the tapered outer surface thereof on the tapered inner surface of the housing, said valve member including a bore therethrough opening at its inner end to the housing and opening at its outer end to a hollow extension projecting outwardly of the valve member and of the outer end of the housing, means closing the outer end portion of the extension, the valve member being displaceable against the resilient biasing means to permit pressure fluid to flow between the valve member and the housing into the pressure vessel to fill the vessel, means permanently sealing the valve member to the housing after the pressure vessel has been filled, and tool guide means mounted on the wall of the pressure vessel for guiding a removal tool into engagement with the closed outer end portion of the extension, removal of the closed outer end portion of the extension permitting pressure fluid to bleed out of the pressure vessel through the bore of the valve member and any unremoved portion of the extension.
Claim 6
Dependent Claim
257 words
In combination with a pressure vessel having an apertured wall, a fill and bleed valve assembly, comprising, an annular hollow housing adapted to extend through the aperture in the wall of the pressure vessel and to be secured thereto, said housing including an outer end portion provided with a tapered inner surface, a valve member slidably received within the housing and including an outer tapered surface complementary to the tapered inner surface of the housing, resilient means biasing the valve member outwardly of the housing to seat the tapered outer surface thereof on the tapered inner surface of the housing, said valve member including a bore therethrough opening at its inner end to the housing and opening at its outer end to a hollow extension projecting outwardly of the valve member and of the outer end of the housing, means closing the outer end portion of the extension, the valve member being displaceable against the resilient biasing means to permit pressure fluid to flow between the valve member and the housing into the pressure vessel to fill the vessel, means permanently sealing the valve member to the housing after the pressure vessel has been filled, and tool guide means mounted on the wall of the pressure vessel for guiding a removal tool into engagement with the closed outer end portion of the extension, removal of the closed outer end portion of the extension permitting pressure fluid to bleed out of the pressure vessel through the bore of the valve member and any unremoved portion of the extension.
Claim 7
Dependent Claim
277 words
In combination with a pressure vessel having an apertured wall, a fill and bleed valve assembly, comprising, an annular hollow housing adapted to extend through the aperture in the wall of the pressure vessel and to be secured thereto, said housing including a frustoconical outer end portion provided with an opposite hand frustoconical opening, a valve member slidably received within the housing and including a frustoconical outer end portion complementary to the end portion of the housing, resilient means seating the frustoconical portion of the valve member within the end portion of the housing with the apical wall thereof generally coplanar with the apical end of the opening of the housing, said valve member including a bore therethrough opening at its inner end to the housing and opening at its outer end to a hollow extension projecting outwardly of the apical wall of the end portion of the valve member and the opening of the housing, means closing the outer end portion of the extension, the valve member being displaceable against the resilient biasing means to permit pressure fluid to flow between the valve member and the housing into the pressure vessel to fill the vessel, the cavity defined by the wall of the housing opening and the apical wall of the end portion of the valve member being filled with solder after the pressure vessel has been filled to permanently secure the valve member to the outer end portion of the housing, removal of the closed outer end portion of the extension permitting pressure fluid to bleed out of the pressure vessel through the bore of the valve member and any unremoved portion of the extension.
Claim 8
Dependent Claim
277 words
In combination with a pressure vessel having an apertured wall, a fill and bleed valve assembly, comprising, an annular hollow housing adapted to extend through the aperture in the wall of the pressure vessel and to be secured thereto, said housing including a frustoconical outer end portion provided with an opposite hand frustoconical opening, a valve member slidably received within the housing and including a frustoconical outer end portion complementary to the end portion of the housing, resilient means seating the frustoconical portion of the valve member within the end portion of the housing with the apical wall thereof generally coplanar with the apical end of the opening of the housing, said valve member including a bore therethrough opening at its inner end to the housing and opening at its outer end to a hollow extension projecting outwardly of the apical wall of the end portion of the valve member and the opening of the housing, means closing the outer end portion of the extension, the valve member being displaceable against the resilient biasing means to permit pressure fluid to flow between the valve member and the housing into the pressure vessel to fill the vessel, the cavity defined by the wall of the housing opening and the apical wall of the end portion of the valve member being filled with solder after the pressure vessel has been filled to permanently secure the valve member to the outer end portion of the housing, removal of the closed outer end portion of the extension permitting pressure fluid to bleed out of the pressure vessel through the bore of the valve member and any unremoved portion of the extension.
References Cited (Backward Citations)
US3638840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-23 | 1978-06-24 | 1978-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-23 | 1982-06-24 | 1982-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-23 | 1986-06-24 | 1986-12-24 | $7700.00 | Window Closed / Lapsed |