US4813610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasoline injector for an internal combustion engine
Assignee: ZF International UK Ltd
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Filing: 1987-05-13
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Granted: 1989-03-21
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Expires: 2007-05-13
Abstract
Abstract A gasoline injector for an internal combustion engine has an orifice plate in which is formed a pair of outlet orifices through which when a valve means of the injector is operated, flow two jets of gasoline. The jets are directed within an outlet and strike a surface of a deflector member which deflects the jets before they break up to form a spray. The orifice and the surface can be arranged to form a single spray or separate sprays.
Inventors
- 👤 Paul S. Renowden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:44
CPC Classifications
F; F02; F02M; F02M61/00; F02M61/16; F02M61/18; F02M61/1853; F02M51/00; F02M51/06; F02M51/061; F02M51/0625; F02M51/0635; F02M51/0639; F02M51/08; F02M61/1806
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
137 words
A gasoline injector for supplying fuel to an air inlet of an internal combustion engine comprising an orifice plate member at one end of an elongated outlet which in use opens at its other end into the air inlet, a pair of orifices formed in said plate, valve means for controlling the flow of gasoline through said orifices and a deflector surface located in said outlet for engagement by jets of gasoline issuing from said orifice, said surface acting to deflect the jets to produce the required spray pattern, in which said deflector surface comprises an annular deflector sleeve which is located in said outlet, the sleeve defining an internal surface which converges towards the end of the outlet remote from the orifice plate, and in which said internal surface is divided into a plurality of segments.
Claim 2
Dependent Claim
137 words
A gasoline injector for supplying fuel to an air inlet of an internal combustion engine comprising an orifice plate member at one end of an elongated outlet which in use opens at its other end into the air inlet, a pair of orifices formed in said plate, valve means for controlling the flow of gasoline through said orifices and a deflector surface located in said outlet for engagement by jets of gasoline issuing from said orifice, said surface acting to deflect the jets to produce the required spray pattern, in which said deflector surface comprises an annular deflector sleeve which is located in said outlet, the sleeve defining an internal surface which converges towards the end of the outlet remote from the orifice plate, and in which said internal surface is divided into a plurality of segments.
Claim 3
Dependent Claim
97 words
A gasoline injector for supplying fuel to an air inlet of an internal combustion engine comprising an orifice plate member at one end of an elongated outlet which in use opens at its other end into the air inlet, a pair of orifices formed in said plate, valve means for controlling the flow of gasoline through said orifices and a deflector member of triangular form extending transversely of the outlet, said orifices being positioned so that the jets of gasoline strike two sides respectively of said deflector member at an angle to cause deflection of said jets.
Claim 4
Dependent Claim
97 words
A gasoline injector for supplying fuel to an air inlet of an internal combustion engine comprising an orifice plate member at one end of an elongated outlet which in use opens at its other end into the air inlet, a pair of orifices formed in said plate, valve means for controlling the flow of gasoline through said orifices and a deflector member of triangular form extending transversely of the outlet, said orifices being positioned so that the jets of gasoline strike two sides respectively of said deflector member at an angle to cause deflection of said jets.
References Cited (Backward Citations)
FR47930E
Cited
US1616335A
Cited
FR596448A
Cited
GB578959A
Cited
US2785926A
Cited
DE2323846A1
Cited
US4218021A
Cited
GB2113299A
Cited
US4666083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-03-20 | 1992-09-19 | 1993-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-03-20 | 1996-09-19 | 1997-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-03-20 | 2000-09-19 | 2001-03-21 | $7700.00 | Window Closed / Lapsed |