US3213804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressurizing system
Assignee: Motors Liquidation Co
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Filing: 1961-12-28
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Granted: 1965-10-26
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Expires: 1981-12-28
Abstract
No abstract record available.
Inventors
- 👤 Albert J Sobey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:57
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A FLUID PRESSURIZING SYSTEM SOMPRISING SOURCES OF LOW AND HIGH PRESSURE FLUIDS, MEANS DEFINING A FLUID COLLECTION CHAMBER HAVING A CONTROLLED FLUID INLET, CONDUIT MEANS CONNECTING SAID LOW PRESSURE SOURCE AND CHAMBER INLET, AND CONTROL MEANS IN SAID CONDUIT MEANS BETWEEN SAID LOW PRESSURE SOURCE AND CHAMBER AND CONNECTED TO SAID HIGH PRESSURE SOURCE, SAID CONTROL MEANS INCLUDING A VENT LINE, A FLUID PRESSURE ACCUMULATOR RECEIVING A PORTION OF THE LOW PRESSURE FLUID THEREIN FOR DISPLACEMENT BY SAID HIGH PRESSURE FLUID INTO SAID CHAMBER AT AN INTERMEDIATE PRESSURE AND ALSO INCLUDING FLOW DIRECTIONAL MEANS MOVABLE TO ONE POSITION FILLING SAID ACCUMULATOR WITH LOW PRESSURE FLUID WHILE RELEASING SAID HIGH PRESSURE FLUID THROUGH SAID VENT LINE THEREBY BLOCKING THE FLOW OF FLUID TO SAID CHAMBER AND MOVABLE TO ANOTHER POSITION UNBLOCKING THE HIGH PRESSURE FLUID FLOW TO SAID ACCUMULATOR BY CLOSING SAID VENT LINE AND ALLOWING THE FLOW TO SAID CHAMBER WHILE BLOCKING THE SUPPLY OF LOW PRESSURE FLUID TO THE ACCUMULATOR.
Claim 2
Dependent Claim
161 words
A FLUID PRESSURIZING SYSTEM SOMPRISING SOURCES OF LOW AND HIGH PRESSURE FLUIDS, MEANS DEFINING A FLUID COLLECTION CHAMBER HAVING A CONTROLLED FLUID INLET, CONDUIT MEANS CONNECTING SAID LOW PRESSURE SOURCE AND CHAMBER INLET, AND CONTROL MEANS IN SAID CONDUIT MEANS BETWEEN SAID LOW PRESSURE SOURCE AND CHAMBER AND CONNECTED TO SAID HIGH PRESSURE SOURCE, SAID CONTROL MEANS INCLUDING A VENT LINE, A FLUID PRESSURE ACCUMULATOR RECEIVING A PORTION OF THE LOW PRESSURE FLUID THEREIN FOR DISPLACEMENT BY SAID HIGH PRESSURE FLUID INTO SAID CHAMBER AT AN INTERMEDIATE PRESSURE AND ALSO INCLUDING FLOW DIRECTIONAL MEANS MOVABLE TO ONE POSITION FILLING SAID ACCUMULATOR WITH LOW PRESSURE FLUID WHILE RELEASING SAID HIGH PRESSURE FLUID THROUGH SAID VENT LINE THEREBY BLOCKING THE FLOW OF FLUID TO SAID CHAMBER AND MOVABLE TO ANOTHER POSITION UNBLOCKING THE HIGH PRESSURE FLUID FLOW TO SAID ACCUMULATOR BY CLOSING SAID VENT LINE AND ALLOWING THE FLOW TO SAID CHAMBER WHILE BLOCKING THE SUPPLY OF LOW PRESSURE FLUID TO THE ACCUMULATOR.
References Cited (Backward Citations)
US629194A
Cited
US2673525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |