Patent ID: 11906064
Assignee: FUJIKOKI CORPORATION
Field: Other special machines (Mechanical engineering)
Classification: CPC F  B  G | IPC B  F

Claim 0:
1. An electric valve comprising:
a motor including a rotor member, a stator member for applying a rotational force to the rotor member, and a can in which the rotor member is disposed;
a power transmission mechanism for converting rotational movement of the rotor member into axial movement of a valve body;
a housing for accommodating the motor and the power transmission mechanism; and
a base member connected to the housing and provided with a valve seat to which the valve body is separated or seated,
wherein:
the housing includes:
a heat generation portion formed of a first material,
a heat receiving portion formed of a second material and bonded to the heat generation portion, and
a tube-shaped member and a cover member for shielding the tube-shaped member,

a laser light transmittance in the first material is lower than a laser light transmittance in the second material,
the heat generation portion is a part of the tube-shaped member, the heat receiving portion is part of the cover member, the cover member holds a substrate provided with a drive circuit for driving the motor, and the tube-shaped member is provided with a connector portion that can be connected to an external power source,
the cover member includes an insertion portion that fits inside an end portion of the tube-shaped member, and ribs formed on an outer peripheral surface of the insertion portion,
the motor is disposed on the tube-shaped member, and an angle sensor for detecting a rotation angle of the rotor member is disposed on the cover member, and
the can of the motor is disposed between the angle sensor and the rotor member.