Patent US3706318A successfully refreshed from Google Patents.
US3706318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid coupling
Assignee: Fairchild Space and Defense Corp
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Filing: 1971-03-02
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Granted: 1972-12-19
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Expires: 1991-03-02
Abstract
Abstract A fluid coupling with separable male and female coupling members including a threaded connecting member on the male member which advances when rotated to engage a threaded collar on the female member. The axial movement of the advancing connecting member is translated through rollers or studs to a probe which carries a mating sleeve into engagement with a bore in the female coupling member engaging a mating seal and establishing a sealed interface between the male and female coupling members. Continued advancement of the connecting member and the probe results in movement of the sleeve establishing a path of fluid communication between the interior of the mating sleeve and the bore of the female coupling. Further advancement of the connecting member brings the probe into contact with a poppet valve within the female coupling unseating the popped valve and establishing an uninterrupted fluid communication path between the male and female coupling members. Rotation of the actuating sleeve in the opposite direction reverses the action of the components in sequence, first interrupting the fluid flow and entrapping it, then uncoupling the male and female members. The construction of the fluid coupling permits coupling and uncoupling of the members within a fixed space which corresponds to the axial dimension of the coupling.
Inventors
- 👤 Mahmood Baniadam
- 👤 Jorge A Morando
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:39
CPC Classifications
F; F16; F16L; F16L29/00; F16L29/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87941; Y10T137/87949
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
215 words
A fluid coupling comprising a first coupling member having a fluid passage, a second coupling member having a fluid passage, valve means mounted within the Fluid passage of said first coupling member for preventing leakage of fluid from said first coupling member when said second coupling member is uncoupled from said first coupling member, probe means movably mounted in said second coupling member, at least one roller rotatably mounted on said probe means and connecting means movably mounted on said second coupling member for connecting said second coupling member to said first coupling member, said connecting means having a groove for receiving at least a portion of said roller and being operatively connected to said probe means by said roller to effect axial movement of said probe means with respect to said second coupling member to open said valve means in the fluid passage of said first coupling member when said connecting means is moved to connect said second coupling member to said first coupling member and to effect axial movement of said probe means with respect to said second coupling member to permit said valve means in the fluid passage of said first coupling member to close when said connecting means is moved to uncouple said second coupling member from said first coupling member.
Claim 2
Dependent Claim
215 words
A fluid coupling comprising a first coupling member having a fluid passage, a second coupling member having a fluid passage, valve means mounted within the Fluid passage of said first coupling member for preventing leakage of fluid from said first coupling member when said second coupling member is uncoupled from said first coupling member, probe means movably mounted in said second coupling member, at least one roller rotatably mounted on said probe means and connecting means movably mounted on said second coupling member for connecting said second coupling member to said first coupling member, said connecting means having a groove for receiving at least a portion of said roller and being operatively connected to said probe means by said roller to effect axial movement of said probe means with respect to said second coupling member to open said valve means in the fluid passage of said first coupling member when said connecting means is moved to connect said second coupling member to said first coupling member and to effect axial movement of said probe means with respect to said second coupling member to permit said valve means in the fluid passage of said first coupling member to close when said connecting means is moved to uncouple said second coupling member from said first coupling member.
Claim 3
Dependent Claim
33 words
The fluid coupling of claim 1 wherein said second coupling member has at least one longitudinal extending slot in its wall and at least a portion of said roller rides in said slot.
Claim 4
Dependent Claim
373 words
A fluid coupling comprising a first coupling member having a fluid passage, said first coupling member having first connecting means with external threads located thereon, a second coupling member having a fluid passage, said second coupling member having external threads which match the external threads on said first connecting means, valve means mounted within the fluid passage of said first coupling member for preventing leakage of fluid from said first coupling member when said second coupling member is uncoupled from said first coupling member, probe means movably mounted in the fluid passage of said second coupling member and having a fluid passage communicating with the fluid passage of said second coupling member, said probe means having means for opening the valve means in the fluid passage of said first coupling member and means for sealing the fluid passage of said first coupling member prior to the opening of the valve means in the fluid passage of said first coupling member and for preventing leakage of fluid from the fluid passage of said probe means prior to the opening of the valve means mounted within the fluid passage of said first coupling member, second connecting means rotatably mounted on the exterior of said second coupling member, said second connecting means being movable axially with respect to said second coupling member and having threads which engage the threads located on the exterior of said second coupling member and are adapted to engage the threads of said first connecting means to couple said second coupling member to said first coupling member, and interconnecting means operatively interconnecting said second connecting means and said probe means for moving said probe means axially with respect to said second coupling member to cause said probe means to open the valve means in the fluid passage of said first coupling member when said second connecting means is moved to couple said second coupling member to said first member and for moving said probe means axially with respect to said second coupling member to cause said probe means to permit the valve means in the fluid passage of said first coupling member to close when said second connecting means is moved to uncouple said second coupling member from said first coupling member.
Claim 5
Dependent Claim
373 words
A fluid coupling comprising a first coupling member having a fluid passage, said first coupling member having first connecting means with external threads located thereon, a second coupling member having a fluid passage, said second coupling member having external threads which match the external threads on said first connecting means, valve means mounted within the fluid passage of said first coupling member for preventing leakage of fluid from said first coupling member when said second coupling member is uncoupled from said first coupling member, probe means movably mounted in the fluid passage of said second coupling member and having a fluid passage communicating with the fluid passage of said second coupling member, said probe means having means for opening the valve means in the fluid passage of said first coupling member and means for sealing the fluid passage of said first coupling member prior to the opening of the valve means in the fluid passage of said first coupling member and for preventing leakage of fluid from the fluid passage of said probe means prior to the opening of the valve means mounted within the fluid passage of said first coupling member, second connecting means rotatably mounted on the exterior of said second coupling member, said second connecting means being movable axially with respect to said second coupling member and having threads which engage the threads located on the exterior of said second coupling member and are adapted to engage the threads of said first connecting means to couple said second coupling member to said first coupling member, and interconnecting means operatively interconnecting said second connecting means and said probe means for moving said probe means axially with respect to said second coupling member to cause said probe means to open the valve means in the fluid passage of said first coupling member when said second connecting means is moved to couple said second coupling member to said first member and for moving said probe means axially with respect to said second coupling member to cause said probe means to permit the valve means in the fluid passage of said first coupling member to close when said second connecting means is moved to uncouple said second coupling member from said first coupling member.
Claim 6
Dependent Claim
59 words
The fluid coupling of claim 3 wherein said interconnecting means comprises at least one stud extending radially outward from said probe means and wherein said second connecting means has a circumferential groove for receiving a portion of said stud and said second coupling member has a longitudinal slot in its wall for slidably receiving a portion of said stud.
Claim 7
Dependent Claim
38 words
The fluid coupling of claim 4 wherein said means for sealing the fluid passage of said first coupling member and for preventing leakage of fluid from the fluid passage of said probe means comprises a resiliently biased sleeve.
Claim 8
Dependent Claim
28 words
The fluid coupling of claim 4 further comprising an annular ring having an aperture for receiving said stud located in the circumferential groove of said second connecting means.
Claim 9
Dependent Claim
21 words
The fluid coupling of claim 4 further comprising an annular ring having an aperture for receiving said stud located in the
Claim 10
Dependent Claim
35 words
The fluid coupling of claim 6 further comprising a thrust washer situated on each side of said annular ring between said ring and the adjacent sidewall of the circumferential groove of said second connecting means.
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) | 1975-12-19 | 1976-06-19 | 1976-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-19 | 1980-06-19 | 1980-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-19 | 1984-06-19 | 1984-12-19 | $7700.00 | Window Closed / Lapsed |