CONTROL VALVE FOR VARIABLE DISPLACEMENT COMPRESSOR

CONTROL VALVE FOR VARIABLE DISPLACEMENT COMPRESSOR

PROBLEM TO BE SOLVED: To provide a control valve for duty control inhibiting resonant acceleration added to valve bodies by resonance during vibration and also inhibiting increase in hysteresis of control characteristics. SOLUTION: When vibration amplitude of each valve body exceeds a predetermined...

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Hauptverfasser: KOBAYASHI IKU, SAEKI SHINJI
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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creator KOBAYASHI IKU
SAEKI SHINJI
description PROBLEM TO BE SOLVED: To provide a control valve for duty control inhibiting resonant acceleration added to valve bodies by resonance during vibration and also inhibiting increase in hysteresis of control characteristics. SOLUTION: When vibration amplitude of each valve body exceeds a predetermined minute amplitude range due to resonance of the control valve 1 for a variable displacement compressor, a resonance inhibition member 50 gives slide resistance to each valve body and therefore the resonant acceleration added to each valve body can be inhibited. On the other hand, the duty control is performed on pulsed current supplied to a solenoid 3 and each valve body can be minutely vibrated at a smaller amplitude than the minute amplitude range in a normal control condition of the control valve 1 for the variable displacement compressor. COPYRIGHT: (C)2009,JPO&INPIT
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SOLUTION: When vibration amplitude of each valve body exceeds a predetermined minute amplitude range due to resonance of the control valve 1 for a variable displacement compressor, a resonance inhibition member 50 gives slide resistance to each valve body and therefore the resonant acceleration added to each valve body can be inhibited. On the other hand, the duty control is performed on pulsed current supplied to a solenoid 3 and each valve body can be minutely vibrated at a smaller amplitude than the minute amplitude range in a normal control condition of the control valve 1 for the variable displacement compressor. 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subjects BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
title CONTROL VALVE FOR VARIABLE DISPLACEMENT COMPRESSOR
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