US3372539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot-gas reciprocating engine
Assignee: US Philips Corp
•
Filing: 1966-06-27
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Granted: 1968-03-12
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Expires: 1986-06-27
Abstract
No abstract record available.
Inventors
- 👤 Reinhoudt Jacobus Pieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:04
CPC Classifications
F; F02; F02G; F02G1/00; F02G1/04; F02G1/043; F02G1/045; F02G1/047; F02G1/044; F02G1/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
AN APPARATUS INCLUDING A HOT-GAS RECIPROCATING ENGINE PROVIDED WITH A WORKING SPACE AND A WORKING MEDIUM THEREIN, COMPRISING A COMPRESSOR, A STORAGE CONTAINER FOR SAID WORKING MEDIUM COMMUNICATING WITH THE WORKING SPACE OF SAID ENGINE, SAID COMMUNICATION BEING AN INLET DUCT PROVIDED WITH A FIRST CHECK VALVE, A MEDIUM OUTLET DUCT PROVIDED WITH A SECOND CHECK VALVE COMMUNICATING AT ONE END WITH SAID WORKING SPACE AND AT THE OTHER END WITH AN INLET APERTURE OF SAID COMPRESSOR, A FIRST DUCT BETWEEN SAID STORAGE CONTAINER AND THE OUTLET APERTURE OF SAID COMPRESSOR INCLUDING A THIRD CHECK VALVE, A SECOND DUCT COMMUNICATING WITH SAID FIRST DUCT AND WITH SAID MEDIUM OUTLET DUCT BETWEEN SAID INLET APERTURE OF SAID COMPRESSOR AND SAID SECOND CHECK VALVE, A CONTROLLABLE VALVE ARRANGED IN SAID SECOND DUCT, SAID CONTROLLABLE VALVE BEING CLOSED WHEN THE QUANTITY BY WEIGHT OF SAID MEDIUM IN SAID WORKING SPACE DECREASES AND OTHERWISE BEING OPEN, THE MEDIUM OUTLET DUCT HAVING SUCH A VOLUME THAT WHEN SAID CONTROLLABLE VALVE IS OPEN SUBSTANTAILLY NO PRESSURE VARIATIONS OCCUR THEREIN.
Claim 2
Independent Claim
173 words
AN APPARATUS INCLUDING A HOT-GAS RECIPROCATING ENGINE PROVIDED WITH A WORKING SPACE AND A WORKING MEDIUM THEREIN, COMPRISING A COMPRESSOR, A STORAGE CONTAINER FOR SAID WORKING MEDIUM COMMUNICATING WITH THE WORKING SPACE OF SAID ENGINE, SAID COMMUNICATION BEING AN INLET DUCT PROVIDED WITH A FIRST CHECK VALVE, A MEDIUM OUTLET DUCT PROVIDED WITH A SECOND CHECK VALVE COMMUNICATING AT ONE END WITH SAID WORKING SPACE AND AT THE OTHER END WITH AN INLET APERTURE OF SAID COMPRESSOR, A FIRST DUCT BETWEEN SAID STORAGE CONTAINER AND THE OUTLET APERTURE OF SAID COMPRESSOR INCLUDING A THIRD CHECK VALVE, A SECOND DUCT COMMUNICATING WITH SAID FIRST DUCT AND WITH SAID MEDIUM OUTLET DUCT BETWEEN SAID INLET APERTURE OF SAID COMPRESSOR AND SAID SECOND CHECK VALVE, A CONTROLLABLE VALVE ARRANGED IN SAID SECOND DUCT, SAID CONTROLLABLE VALVE BEING CLOSED WHEN THE QUANTITY BY WEIGHT OF SAID MEDIUM IN SAID WORKING SPACE DECREASES AND OTHERWISE BEING OPEN, THE MEDIUM OUTLET DUCT HAVING SUCH A VOLUME THAT WHEN SAID CONTROLLABLE VALVE IS OPEN SUBSTANTAILLY NO PRESSURE VARIATIONS OCCUR THEREIN.
References Cited (Backward Citations)
US2746241A
Cited
US3036427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |