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Patent US4993390A successfully refreshed from Google Patents.
US4993390A
Expired / Lapsed
US
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Injector positioning device
Assignee: Mitsubishi Motors Corp
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Filing: 1989-05-23
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Granted: 1991-02-19
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Expires: 2009-05-23
Abstract
Abstract Disclosed is a device for positioning an injector in its circumferential direction so that a plurality of nozzle holes formed at one end of the injector connected at the other end to a delivery pipe in an internal combustion engine can be accurately directed toward corresponding intake ports respectively. The device comprises a clip non-rotatably mounted on part of the delivery pipe, and the clip includes retaining portions extending along diametrically opposite wall portions of the injector and having confronting projections adapted to engage mating holes bored in the diametrically opposite wall portions respectively of the injector thereby positioning the injector.
Inventors
- 👤 Takashi Ono
- 👤 Hiroyuki Nishizawa
- 👤 Akira Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:06
CPC Classifications
F; F02; F02M; F02M39/00; F02M61/00; F02M61/16; F02M61/168; F02M55/00; F02M55/004; F02M69/00; F02M69/04; F02M69/042; F02M69/044; F02M69/46; F02M69/462; F02M69/465; F02M2200/00; F02M2200/85; F02M2200/852; F02M2200/853
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
99 words
A device for positioning an injector in a predetermined mounted state so that a plurality of nozzle holes formed at one end of the injector connected at the other end to a delivery pipe in an internal combustion engine can be accurately directed toward corresponding intake ports respectively, said device comprising a clip non-rotatably mounted on part of said delivery pipe, said clip including retaining portions extending along diametrically opposite wall portions of said injector and having confronting projections adapted to engage mating holes bored in the diametrically opposite wall portions respectively of said injector thereby positioning said injector.
Claim 2
Independent Claim
99 words
A device for positioning an injector in a predetermined mounted state so that a plurality of nozzle holes formed at one end of the injector connected at the other end to a delivery pipe in an internal combustion engine can be accurately directed toward corresponding intake ports respectively, said device comprising a clip non-rotatably mounted on part of said delivery pipe, said clip including retaining portions extending along diametrically opposite wall portions of said injector and having confronting projections adapted to engage mating holes bored in the diametrically opposite wall portions respectively of said injector thereby positioning said injector.
Claim 3
Dependent Claim
37 words
An injector positioning device according to claim 1, wherein said mating holes bored in the diametrically opposite wall portions of said injector serve also to permit insertion of a tool for adjusting the amount of injected fuel.
Claim 4
Dependent Claim
27 words
An injector positioning device according to claim 1, wherein said diametrically opposite wall portions of said injector having said mating holes bored therein are concave in configuration.
Claim 5
Dependent Claim
27 words
An injector positioning device according to claim 1, wherein said diametrically opposite wall portions of said injector having said mating holes bored therein are convex in configuration.
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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) | 1994-02-18 | 1994-08-20 | 1995-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-18 | 1998-08-20 | 1999-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-02-18 | 2002-08-20 | 2003-02-19 | $7700.00 | Window Closed / Lapsed |