Flow control valve unit

Details Flow control valve unit Flow control valve unit

1990-05-07

1991-10-01

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Rotary electric actuator

251266, 251368, F16K 3104

Patent

active

050526561

ABSTRACT:
A valve unit for controlling a fluid flow through a fluid passage (2) comprising a valve assembly (27) having a substantially cylindrical valve holder (43) axially movably mounted to a motor shaft (34,35) and a valve member (44) securely attached to the valve holder (43), and a conversion mechanism, including spiral splines (35,49) disposed between the motor shaft (34,35) and the valve holder (43) and an axial guide (24,42) disposed between the motor (26) and the valve holder (43), for converting a rotation of the motor shaft (30) into an axial translational movement of the valve assembly (27). The valve holder (43) and the valve member (44) are made of a resin and fastened together by a bayonet joint (45) and welding (46).

REFERENCES:
patent: 4592534 (1985-06-01), Ueda et al.
patent: 4723754 (1988-02-01), Torimoto et al.

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