Slide valve with a correlated relief valve
Abstract
Abstract A DEVICE FOR DISTRIBUTING FLUIDS AT HIGH PRESSURE, TO A NUMBER OF CONSUMER DEVICES EACH HAVING AN INLET AND AN EXHAUST, HAS A DISTRIBUTOR BODY WITH A FEED PASSAGE FOR CONNECTION TO THE SOURCE OF FLUID, AND AN EXHAUST PASSAGE. MEANS ARE PROVIDED FOR CONNECTION OF THE FEED AND EXHAUST PASSAGES TO THE CONSUMER DEVICES, AND A CORRESPONDING NUMBER OF VALVES IN THE DISTRIBUTOR BODY SERVE TO CONNECT THE FEED AND PASSAGES SELECTIVELY TO THE RESPECTIVE CONSUMER DEVICES. A COMMUNICATION IS PROVIDED DIRECTLY BETWEEN THE FEED PASSAGE AND THE EXHAUST PASSAGE, AND AN AUXILIARY VALVE THEREIN IS ASSOCIATED WITH THE PLURALITY OF VALVES SO THAT SAID AUXILIARY VALVE IS CLOSED WHEN ANY ONE OF THE PLURALITY OF VALVES IS ACTUATED.
Inventors
- 👤 Francesco Coatti
Bibliographic Details
Claims Analysis
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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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |