US3776270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid coupling for the transmission of control signals
Assignee: Heberlein and Co AG
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Filing: 1971-07-19
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Granted: 1973-12-04
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Expires: 1991-07-19
Abstract
Abstract Fluid coupling including a hollow stator and cylindrical rotor within same and having at least one longitudinally extending pipe for conveying fluid to device to be actuated, the stator having at least one chamber adapted to register with an opening in the rotor in a particular relative rotational position of the rotor and stator to effect fluid communication between the pipe and the device to be actuated.
Inventors
- 👤 F Wanger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:14
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/44; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86268
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
162 words
Apparatus for transmitting control signals by means of fluid medium comprising, a hollow cylindrical stator (2) and a cylindrical rotor (1) extending coaxially within said stator, the inner wall of the stator being provided with packing means (4) and spacers (7) disposed to define sealed annular chambers (8) spaced axially and uniformly along said stator, each chamber being in registry with an opening in the stator, into each of which a pipe (6) for the control medium is introduced from the exterior, each said chamber having a part opening toward said rotor, a counter-ring (3) secured against rotation relatively to said rotor and being positioned in each chamber and engaged in sealing contact with said rotor, at least one axial conduit (11, 11'') In said rotor leading to members to be actuated by the medium, each counter-ring having at least one bore (10) connected with said axial conduit adapted to effect communication between one of said conduits and one of said chambers.
Claim 2
Dependent Claim
162 words
Apparatus for transmitting control signals by means of fluid medium comprising, a hollow cylindrical stator (2) and a cylindrical rotor (1) extending coaxially within said stator, the inner wall of the stator being provided with packing means (4) and spacers (7) disposed to define sealed annular chambers (8) spaced axially and uniformly along said stator, each chamber being in registry with an opening in the stator, into each of which a pipe (6) for the control medium is introduced from the exterior, each said chamber having a part opening toward said rotor, a counter-ring (3) secured against rotation relatively to said rotor and being positioned in each chamber and engaged in sealing contact with said rotor, at least one axial conduit (11, 11'') In said rotor leading to members to be actuated by the medium, each counter-ring having at least one bore (10) connected with said axial conduit adapted to effect communication between one of said conduits and one of said chambers.
Claim 3
Dependent Claim
25 words
Apparatus according to claim 1, wherein said part of said chamber facing said rotor is an annular groove in said chamber opening towards said rotor.
Claim 4
Dependent Claim
43 words
Apparatus according to claim 1, wherein each pipe (6) for the control medium is connected through a three-way valve (21) to a common feed pipe (20) for the control medium, the valve in one position serving as a vent for the control medium.
Claim 5
Dependent Claim
39 words
Apparatus according to claim 1, characterized in that several axial conduits (11, 11'') of the rotor leading to control members to be actuated by the control medium are each connected with a respective chamber (8) of the stator (2).
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) | 1976-12-03 | 1977-06-04 | 1977-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-03 | 1981-06-04 | 1981-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-03 | 1985-06-04 | 1985-12-04 | $7700.00 | Window Closed / Lapsed |