US3707843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prime mover system utilizing bis (trifluoromethyl) benzene as working fluid
Assignee: HALOCARBON PROD CORP
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Filing: 1972-01-04
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Granted: 1973-01-02
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Expires: 1992-01-04
Abstract
Abstract An anti-pollution heat engine including a prime mover system wherein the working fluid comprises bis (trifluoromethyl) benzene.
Inventors
- 👤 R Conner
- 👤 L Ferstandig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:30
CPC Classifications
F; F01; F01K; F01K25/00; F01K25/08
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
19 words
A system according to claim 1, wherein the fluid comprises a mixture of compounds falling within the general formula.
Claim 2
Dependent Claim
27 words
A system according to claim 1, wherein the fluid comprises a blend wherein a major proportion thereof is one or more compounds falling within the general formula.
Claim 3
Dependent Claim
17 words
A system according to claim 1, wherein the expander is a turbine, piston engine or helical screw.
Claim 4
Dependent Claim
12 words
A system according to claim 1, wherein the expander is a turbine.
Claim 5
Dependent Claim
11 words
A vehicle driven by a prime mover system according to claim
Claim 6
Dependent Claim
72 words
In the conversion of heat into motive power by vaporizing a portion of the fluid from a reservoir and then allowing said fluid vapor to expand, condense and return to said reservoir, said expansion moving a member, the improvement which comprises heating said fluid to a temperature of about 500 to 700*F, said fluid comprising a compound of the formula wherein X is CH3 or CF3, and n is 0 or 1.
Claim 7
Dependent Claim
19 words
A process according to claim 7, wherein the fluid comprises a mixture of compounds falling within the general formula.
Claim 8
Dependent Claim
27 words
A process according to claim 7, wherein the fluid comprises a blend wherein a major proportion thereof is one or more compounds falling within the general formula.
Claim 9
Dependent Claim
17 words
A process according to claim 7, wherein the expander is a turbine, piston engine or helical screw.
Claim 10
Dependent Claim
12 words
A process according to claim 7, wherein the expander is a turbine.
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) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |