Patent US4847468A successfully refreshed from Google Patents.
US4847468A
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Automotive pre-heater
Assignee: Individual
•
Filing: 1987-08-19
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Granted: 1989-07-11
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Expires: 2007-08-19
Abstract
Abstract An automotive pre-heater is set forth for use in cold climates for warming the interior and selective portions of an automobile prior to starting and operation. A compact housing secured by conventional bracketry to the interior of an automobile is provided. Fan means operated by a programmable timing element provide warmth to the interior of an automobile. Optional heating outlets are provided to further enable pre-warming of selected automobile portions such as the carburetor, battery, and engine block. A windshield defrosting conduit is provided to enable windshield defrosting. The pre-heater is powered electrically from a power source external of the automobile.
Inventors
- 👤 Glen Hufstetler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:05
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/0025; B60H1/00264; B60H1/00271; F; F02; F02F; F02F7/00; F02F7/006; F02F2007/0063
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
197 words
An automotive pre-heater assembly for heating an automobile interior and plural automotive component parts, in an automobile having a passenger chamber with a front seat, comprising, in combination: an electrical power supply means external of an automobile to be serviced; a timing member in series with the electrical power supply means to programmably enable electrical association between said external power supply means, a blower assembly and a heating element; a heating element in series with the timing member; a blower assembly in series with the timing member and associated with the heating element to deliver heated air to a heat chamber; a heat chamber carried in the passenger chamber forwardly of the front seat and having adjustably positionable deflecting means, dividing said heat chamber into a first portion for directing heated air therein to the passenger chamber of an automobile and a second portion for directing heated air therein to the automotive windshield and at least one second component of an automobile, said deflecting means allowing adjustment of relative amounts of heated air passing to each heat chamber portion; and means for attaching electrically operated auxiliary heating devices to provide power thereto, independently of said timing member.
Claim 2
Dependent Claim
197 words
An automotive pre-heater assembly for heating an automobile interior and plural automotive component parts, in an automobile having a passenger chamber with a front seat, comprising, in combination: an electrical power supply means external of an automobile to be serviced; a timing member in series with the electrical power supply means to programmably enable electrical association between said external power supply means, a blower assembly and a heating element; a heating element in series with the timing member; a blower assembly in series with the timing member and associated with the heating element to deliver heated air to a heat chamber; a heat chamber carried in the passenger chamber forwardly of the front seat and having adjustably positionable deflecting means, dividing said heat chamber into a first portion for directing heated air therein to the passenger chamber of an automobile and a second portion for directing heated air therein to the automotive windshield and at least one second component of an automobile, said deflecting means allowing adjustment of relative amounts of heated air passing to each heat chamber portion; and means for attaching electrically operated auxiliary heating devices to provide power thereto, independently of said timing member.
Claim 3
Dependent Claim
34 words
An automotive pre-heater assembly as set forth in claim 1 further including a second heat transport conduit communicating from the second portion of the heat chamber to direct heated air to an automotive carburetor.
Claim 4
Dependent Claim
34 words
An automotive pre-heater assembly as set forth in claim 1 further including a second heat transport conduit communicating from the second portion of the heat chamber to direct heated air to an automotive battery.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-07-10 | 1993-01-09 | 1993-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-10 | 1997-01-09 | 1997-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-10 | 2001-01-09 | 2001-07-11 | $7700.00 | Window Closed / Lapsed |