Patent US4123910A successfully refreshed from Google Patents.
US4123910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air drive assist
Assignee: Individual
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Filing: 1976-10-29
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Granted: 1978-11-07
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Expires: 1996-10-29
Abstract
Abstract A combination automotive power system wherein a compressed-air motor supplements the primary gasoline-fueled internal combustion engine. Employs a common driveshaft and includes an air compressor powered by the primary gasoline engine, and a compressed-air storage tank intermediate of the compressor and the air motor.
Inventors
- 👤 Charles W. Ellison, Sr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:21
CPC Classifications
B; B60; B60K; B60K6/00; B60K6/08; B60K6/12; B60K3/00; F; F01; F01B; F01B17/00; F01B17/02; F02; F02B; F02B73/00; F02B1/00; F02B1/02; F02B1/04; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/62
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
83 words
An automotive power system comprising in combination; a gasoline fueled internal combustion engine; a cruise-control transmission coupled to said engine; a main drive shaft; a gear box interposed between and coupled to said cruise-control transmission and said drive shaft; a compressed-air motor coupled to said gear box; an air compressor driven by said gasoline engine by belt and pulley drive; and a compressed-air storage tank interposed between said air compressor and said compressed-air motor and connected to these components by tubular air lines.
Claim 2
Dependent Claim
83 words
An automotive power system comprising in combination; a gasoline fueled internal combustion engine; a cruise-control transmission coupled to said engine; a main drive shaft; a gear box interposed between and coupled to said cruise-control transmission and said drive shaft; a compressed-air motor coupled to said gear box; an air compressor driven by said gasoline engine by belt and pulley drive; and a compressed-air storage tank interposed between said air compressor and said compressed-air motor and connected to these components by tubular air lines.
Claim 3
Dependent Claim
37 words
The combination as set forth in claim 1 including an electromagnetic clutch to couple and uncouple said air compressor from its belt and pulley drive; and an air-pressure controlled regulator switch to electrically actuate said electromagnetic clutch.
Claim 4
Dependent Claim
24 words
The combination of claim 1 including automatic means whereby said compressed-air motor can be activated only when said transmission is in forward drive position.
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) | 1981-11-06 | 1982-05-08 | 1982-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-06 | 1986-05-08 | 1986-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-06 | 1990-05-08 | 1990-11-07 | $7700.00 | Window Closed / Lapsed |