US3159149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air supply and control system for free-piston engine
Assignee: Battelle Development Corp
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Filing: 1962-08-16
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Granted: 1964-12-01
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Expires: 1982-08-16
Abstract
No abstract record available.
Inventors
- 👤 Robert W King
- 👤 Robert K Mitchell
- 👤 William W Vogelhuber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:34
CPC Classifications
F; F02; F02B; F02B71/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN A FREE-PISTON INTERNAL-COMBUSTION ENGINE: (A) A FRAME; (B) AN AIR CHAMBER ON SAID FRAME COMMUNICATING WITH THE POWER CYLINDER OF SAID ENGINE; (C) A FUEL INJECTOR COMMUNICATING WITH THE POWER CYLINDER OF SAID ENGINE; AND (D) UNITARY MEANS, CONNECTED TO SAID AIR CHAMBER AND FUEL INJECTOR AND ACTUATED BY PISTON RECIPROCATION, PROVIDING, IN COMBINATION, AIR AT SUPERATMOSPHERIC PRESSURE FOR CONTROLLING LENGTH OF PISTON STROKE, FOR ACTUATING SAID FUEL INJECTOR AND FOR SAID AIR CHAMBER.
Claim 2
Dependent Claim
75 words
IN A FREE-PISTON INTERNAL-COMBUSTION ENGINE: (A) A FRAME; (B) AN AIR CHAMBER ON SAID FRAME COMMUNICATING WITH THE POWER CYLINDER OF SAID ENGINE; (C) A FUEL INJECTOR COMMUNICATING WITH THE POWER CYLINDER OF SAID ENGINE; AND (D) UNITARY MEANS, CONNECTED TO SAID AIR CHAMBER AND FUEL INJECTOR AND ACTUATED BY PISTON RECIPROCATION, PROVIDING, IN COMBINATION, AIR AT SUPERATMOSPHERIC PRESSURE FOR CONTROLLING LENGTH OF PISTON STROKE, FOR ACTUATING SAID FUEL INJECTOR AND FOR SAID AIR CHAMBER.
References Cited (Backward Citations)
DE692863C
Cited
US3042010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |