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US3313531A Expired / Lapsed US ⏱️ 0.0 years remaining

Temperature responsive accelerator pump

Assignee: ACF Industries Inc
•
Filing: 1965-05-20
•
Granted: 1967-04-11
•
Expires: 1985-05-20
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Abstract

No abstract record available.

Inventors

  • 👤 Jerry H Winkley
  • 👤 Robert J Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 19:23
CPC Classifications
F; F02; F02M; F02M7/00; F02M7/06; F02M7/08; F02M7/087; F02B; F02B1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/438; F02M2700/4383

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 203 words
IN A CARBURETOR, A MIXTURE CONDUIT FOR SUPPLYING A MIXTURE OF FUEL AND AIR TO AN ENGINE, A THROTTLE VALVE IN SAID CONDUIT, A FUEL BOWL, A FUEL SYSTEM FOR SUPPLYING FUEL FROM SAID BOWL TO SAID MIXTURE CONDUIT, AN ACCELERATING PUMP CHAMBER, A RECIPROCABLE MOVABLE WALL IN SAID CYLINDER MOVABLE IN ONE DIRECTION TO DISCHARGE FUEL FROM SAID CYLINDER INTO SAID MIXTURE CONDUIT, AND MOVABLE IN THE OTHER DIRECTION TO DRAW FUEL FROM SAID FUEL BOWL INTO SAID CYLINDER, A MECHANICAL LINKAGE INTERCONNECTING SAID THROTTLE VALVE AND SAID MOVABLE WALL, SAID MECHANICAL LINKAGE BEING ADAPTED TO ALLOW THE MOVABLE WALL TO DISCHARGE FUEL THROUGH A JET INTO SAID CONDUIT WHEN MOVED IN ONE DIRECTION, AND TO DRAW FUEL INTO SAID PUMP CHAMBER WHEN MOVED IN THE OPPOSITE DIRECTION, A FUEL BYPASS PASSAGEWAY INCORPORATED IN SAID MOVABLE WALL, AND A THERMOSTATIC VALVE COMPRISING AN UPPER ARCUATE DISC HAVING A CENTRALLY DISPOSED APERTURE AND A LOWER ARCUATE DISC HAVING AT LEAST ONE APERTURE LOCATED AWAY FROM THE CENTER OF SAID DISC, SAID VALVE BEING POSITIONED TO PREVENT PASSAGE OF FUEL TO SAID PASSAGEWAY WHEN SAID MOVABLE WALL IS COLD AND TO PERMIT PASSAGE OF FUEL TO SAID PASSAGEWAY WHEN SAID MOVABLE WALL IS WARM.
Claim 2
Dependent Claim 203 words
IN A CARBURETOR, A MIXTURE CONDUIT FOR SUPPLYING A MIXTURE OF FUEL AND AIR TO AN ENGINE, A THROTTLE VALVE IN SAID CONDUIT, A FUEL BOWL, A FUEL SYSTEM FOR SUPPLYING FUEL FROM SAID BOWL TO SAID MIXTURE CONDUIT, AN ACCELERATING PUMP CHAMBER, A RECIPROCABLE MOVABLE WALL IN SAID CYLINDER MOVABLE IN ONE DIRECTION TO DISCHARGE FUEL FROM SAID CYLINDER INTO SAID MIXTURE CONDUIT, AND MOVABLE IN THE OTHER DIRECTION TO DRAW FUEL FROM SAID FUEL BOWL INTO SAID CYLINDER, A MECHANICAL LINKAGE INTERCONNECTING SAID THROTTLE VALVE AND SAID MOVABLE WALL, SAID MECHANICAL LINKAGE BEING ADAPTED TO ALLOW THE MOVABLE WALL TO DISCHARGE FUEL THROUGH A JET INTO SAID CONDUIT WHEN MOVED IN ONE DIRECTION, AND TO DRAW FUEL INTO SAID PUMP CHAMBER WHEN MOVED IN THE OPPOSITE DIRECTION, A FUEL BYPASS PASSAGEWAY INCORPORATED IN SAID MOVABLE WALL, AND A THERMOSTATIC VALVE COMPRISING AN UPPER ARCUATE DISC HAVING A CENTRALLY DISPOSED APERTURE AND A LOWER ARCUATE DISC HAVING AT LEAST ONE APERTURE LOCATED AWAY FROM THE CENTER OF SAID DISC, SAID VALVE BEING POSITIONED TO PREVENT PASSAGE OF FUEL TO SAID PASSAGEWAY WHEN SAID MOVABLE WALL IS COLD AND TO PERMIT PASSAGE OF FUEL TO SAID PASSAGEWAY WHEN SAID MOVABLE WALL IS WARM.

References Cited (Backward Citations)

US1763361A Cited
US1881996A Cited
US1896499A Cited
US2877996A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-04-10 1970-10-10 1971-04-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-04-10 1974-10-10 1975-04-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-04-10 1978-10-10 1979-04-11 $7700.00 Window Closed / Lapsed

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