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US3719595A Expired / Lapsed US ⏱️ 0.0 years remaining

Fuel flow restricting and filter assembly

Assignee: Individual
•
Filing: 1971-09-24
•
Granted: 1973-03-06
•
Expires: 1991-09-24
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Abstract

Abstract A tubular body for interposing in a fuel flow line to a fuel metering induction assembly of the type adapted to meter measured quantities of fuel for mixing with a combustion supporting gas. The body has a passage formed therethrough and a midportion of the passage defines a flow restrictive zone for reducing fluid pressure pulses. Also, the passage includes a zone of increased cross-sectional area intermediate the inlet end of the passage and the fuel flow restrictive zone for further reducing fluid pressure pulses. The zone of increased cross-sectional area is provided with a transverse filter body through which fuel flowing through the tubular body must pass and thus the filter body is afforded maximum filter area with each unit of cross-sectional area of the filter body subject to a minimum flow of fuel therethrough.

Inventors

  • 👤 A Johnson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 01:11
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/01; B01D29/88; B01D29/90; B01D35/00; B01D35/02; F; F02; F02M; F02M37/00; F02M37/22; F02M37/32; F02M37/46

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1976-03-05 1976-09-04 1977-03-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-03-05 1980-09-04 1981-03-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-03-05 1984-09-04 1985-03-06 $7700.00 Window Closed / Lapsed

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