SYSTEM FOR CONTROLLING TWO POSITIVE DISPLACEMENT PUMPS

SYSTEM FOR CONTROLLING TWO POSITIVE DISPLACEMENT PUMPS

A fuel system (10), such as for use in an aircraft, comprises a main pump (14), a servo pump (16), a metering valve (24), a shut-off valve (26), an actuator (20) and a pump sharing valve (12). The main pump (14) and the servo pump (16) receive fuel from a source (30). The metering valve (24) receive...

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1. Verfasser: HAUGSJAAHABINK, Todd
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AIR INTAKES FOR JET-PROPULSION PLANTS
BLASTING
COMBUSTION ENGINES
CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
GAS-TURBINE PLANTS
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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creator HAUGSJAAHABINK, Todd
description A fuel system (10), such as for use in an aircraft, comprises a main pump (14), a servo pump (16), a metering valve (24), a shut-off valve (26), an actuator (20) and a pump sharing valve (12). The main pump (14) and the servo pump (16) receive fuel from a source (30). The metering valve (24) receives main flow (31) from the main pump (14). The shut-off valve (26) receives fuel flow from the metering valve (24). The actuator (20) receives fuel flow from the servo pump (16). The pump sharing valve (12) receives circulating flow from the servo pump (16) and alternatively directs shared flow to the main flow (31) or an inlet of the servo pump (16). The pump sharing valve (12) also sends main pump flow to supplement the servo pump during shutdown conditions.
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The main pump (14) and the servo pump (16) receive fuel from a source (30). The metering valve (24) receives main flow (31) from the main pump (14). The shut-off valve (26) receives fuel flow from the metering valve (24). The actuator (20) receives fuel flow from the servo pump (16). The pump sharing valve (12) receives circulating flow from the servo pump (16) and alternatively directs shared flow to the main flow (31) or an inlet of the servo pump (16). 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The main pump (14) and the servo pump (16) receive fuel from a source (30). The metering valve (24) receives main flow (31) from the main pump (14). The shut-off valve (26) receives fuel flow from the metering valve (24). The actuator (20) receives fuel flow from the servo pump (16). The pump sharing valve (12) receives circulating flow from the servo pump (16) and alternatively directs shared flow to the main flow (31) or an inlet of the servo pump (16). The pump sharing valve (12) also sends main pump flow to supplement the servo pump during shutdown conditions.</abstract><oa>free_for_read</oa></addata></record>
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language eng ; fre ; ger
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subjects AIR INTAKES FOR JET-PROPULSION PLANTS
BLASTING
COMBUSTION ENGINES
CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
GAS-TURBINE PLANTS
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
title SYSTEM FOR CONTROLLING TWO POSITIVE DISPLACEMENT PUMPS
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