Patent US5385389A successfully refreshed from Google Patents.
US4436075A
Expired / Lapsed
US
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Fuel pre-heat device
Assignee: Individual
•
Filing: 1982-01-07
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Granted: 1984-03-13
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Expires: 2002-01-07
Abstract
Abstract This fuel pre-heat device includes a tubular section, which is connected at each end to a radiator hose to receive heat from the hose, and a fuel line section which is wrapped around the holder. A housing is provided to enclose the wrapped fuel line, and a pressure regulator is connected to the fuel line to regulate the pressure of fuel entering the engine.
Inventors
- 👤 Robert L. Campbell
- 👤 Daniel D. Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:19
CPC Classifications
F; F02; F02M; F02M31/00; F02M31/02; F02M31/04; F02M31/10; F02M31/16; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
160 words
A fuel pre-heat device for use with an engine having a fuel pump, a fuel dispenser and a radiator hose, the device comprising: (a) a tubular section having opposed ends communicating with the radiator hose, (b) a fuel line section including opposed end portions and an intermediate coiled portion wrapped around the tubular section, one of said end portions being connected to the fuel pump and the other of said end portions being operatively connected to the fuel dispenser, (c) a housing for the coiled portion of the fuel line including a tubular body having annular end recesses and opposed covers attached within the end recesses, each of said covers having an opening adapted to receive one end of the tubular section and an opening adapted to receive one end portion of the fuel line section, and (d) the fuel line section coiled portion including at least two turns and the ends being disposed in cross-over relation to each other.
Claim 2
Dependent Claim
160 words
A fuel pre-heat device for use with an engine having a fuel pump, a fuel dispenser and a radiator hose, the device comprising: (a) a tubular section having opposed ends communicating with the radiator hose, (b) a fuel line section including opposed end portions and an intermediate coiled portion wrapped around the tubular section, one of said end portions being connected to the fuel pump and the other of said end portions being operatively connected to the fuel dispenser, (c) a housing for the coiled portion of the fuel line including a tubular body having annular end recesses and opposed covers attached within the end recesses, each of said covers having an opening adapted to receive one end of the tubular section and an opening adapted to receive one end portion of the fuel line section, and (d) the fuel line section coiled portion including at least two turns and the ends being disposed in cross-over relation to each other.
Claim 3
Dependent Claim
36 words
A fuel pre-heat device as defined in claim 1, in which: (e) the housing covers are circular discs and the opening for the tubular section and the fuel line section are offset from the center thereof.
Claim 4
Dependent Claim
31 words
A fuel pre-heat device as defined in claim 2, in which: (f) the housing body is spaced from the fuel line section coiled portion and the end portions of said section.
Claim 5
Dependent Claim
21 words
A fuel pre-heat device as defined in claim 1 in which: (e) the covers are adhesively attached within the end recesses.
Claim 6
Dependent Claim
26 words
A fuel pre-heat device as defined in claim 1 in which: (e) a pressure regulator is connected between the fuel line section and the fuel dispenser.
References Cited (Backward Citations)
CA618822A
Cited
US1168111A
Cited
DE807147C
Cited
CA960534A
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CH560320A5
Cited
US4015567A
Cited
US4091782A
Cited
US4218999A
Cited
US4323043A
Cited
US4294219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-03-13 | 1987-09-12 | 1988-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-03-13 | 1991-09-12 | 1992-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-03-13 | 1995-09-12 | 1996-03-13 | $7700.00 | Window Closed / Lapsed |