EIGHT-WAY VALVE

An eight-way valve (Y) including a housing (300) and a rotary member (400) is provided. The housing (300) includes an annular wall (305), a first chamber, a second chamber, a third chamber, and a fourth chamber. The annular wall is provided with 16 upper-tier openings and 16 lower-tier openings…

Multi-Port Rotary Valve

A multi-port rotary disc valve includes a valve housing having chamber walls that segregate an internal space of the housing into subchambers that each provide a portion of one or more fluid paths through the valve housing. The valve housing includes valve ports, where each valve port communicates…

HVAC System

An HVAC system including an evaporator, a condenser, an expansion valve, and a compressor. An HVAC case includes a first heat exchanger having a first height, a second heat exchanger having a second height that is greater than the first height, and an air mix door movable to direct airflow from the…

ELECTRIC EXPANSION VALVE

In a first expansion valve (22), a pair of fitting side surfaces (823), which are formed in a screw member (82), is opposed to a pair of groove side surfaces (943), respectively, which are formed in a rotatable member (94). The fitting side surfaces (823) are rotated about an axis (CL1) by the…

VEHICLE HEAT MANAGEMENT SYSTEM

A thermal management system for a vehicle includes a first pump 23 and a second pump 24, temperature adjustment target devices 31, 32, 34, 36, and 37, heat exchangers 28, 33, and 35, numerous flow paths 11 to 16 including a first pump arrangement flow path 11, a second pump arrangement flow path…

Automotive air conditioner

An automotive air conditioner (1) includes a compressor (2), an external heat exchanger (5), an evaporator, and an auxiliary condenser (3). The external heat exchanger (5) functions as an external condenser during a cooling operation and also functions as an external evaporator during a heating…

CONTROL VALVE

A control valve includes a common body (504), a valve element (541) for regulating the opening degree of a proportional valve (51) by moving toward and away from a valve hole (520), a valve element (533), having a valve hole (528), for opening and closing a valve (571) by moving toward and away…

CONTROL VALVE

A control valve according to one embodiment includes a common body (104) that contain a proportional valve (34) and a proportional valve (37), a common motor unit(102) for electrically regulating the opening degrees of the respective proportional valves, a valve actuating member (134), a driven…

CONTROL VALVE

A control valve (100) includes a guiding passage (118), provided in a body (104), which is coaxially formed with a valve hole (120), a driven member structured such that a valve element (130), for opening and closing a valve section by touching and leaving the valve hole (120), and a guide portion…

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