Patent US4097563A successfully refreshed from Google Patents.
US4097563A
Expired / Lapsed
US
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Altitude correction device of a carburetor
Assignee: Nissan Motor Co Ltd
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Filing: 1976-01-08
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Granted: 1978-06-27
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Expires: 1996-01-08
Abstract
Abstract An altitude correction device is constructed to manually open and close a supplementary air bleed to the atmosphere which bleed communicates with a fuel passage of a carburetor, in accordance with changes in the altitude.
Inventors
- 👤 Haruo Yuzawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:26
CPC Classifications
F; F02; F02M; F02M7/00; F02M7/23; F02M7/24; F02M7/26
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
81 words
Fuel supply apparatus and means to manually control the supply of supplemented air into a fuel passage thereof, comprising a hollow coupling member, a housing mounting a filter element and including a passage connector having an open axial passage and a solid connector, each adapted to optionally receive said hollow coupling member, one end of said hollow coupling member being mounted on one of said connectors, and the other end thereof being operatively connected to supply air to said fuel passage.
Claim 2
Dependent Claim
81 words
Fuel supply apparatus and means to manually control the supply of supplemented air into a fuel passage thereof, comprising a hollow coupling member, a housing mounting a filter element and including a passage connector having an open axial passage and a solid connector, each adapted to optionally receive said hollow coupling member, one end of said hollow coupling member being mounted on one of said connectors, and the other end thereof being operatively connected to supply air to said fuel passage.
Claim 3
Dependent Claim
107 words
Fuel supply apparatus and means to manually control the supply of supplemented air into a fuel passage thereof as claimed in claim 1, in which said hollow coupling member has a branch diverged therefrom, and having a base portion which is solid and an open free end portion which is formed therein with an axial bore, said open free end portion of said branch being mounted on said solid connector of said housing when it is necessary to admit supplementary air into said fuel passage and being mounted on said passage connector of said housing when it is unnecessary to admit supplementary air into said fuel passage.
Claim 4
Dependent Claim
37 words
Fuel supply apparatus and means to manually control the supply of supplemented air into a fuel passage thereof as claimed in claim 1, in which said hollow coupling member is made of a pliable and elastic material.
References Cited (Backward Citations)
US1792824A
Cited
US2208317A
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US2349676A
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US3425672A
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US3899551A
Cited
US3933951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-06-26 | 1981-12-26 | 1982-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-26 | 1985-12-26 | 1986-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-26 | 1989-12-26 | 1990-06-27 | $7700.00 | Window Closed / Lapsed |