Patent ID: 11933200
Assignee: MIKUNI CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 0:
1. A valve timing change device for changing a valve timing of a reciprocating engine, comprising:
a vane rotor;
a housing accommodating the vane rotor;
a spring contacting at one end portion the housing and contacting at another end portion the vane rotor to bias the vane rotor against the housing in a circumferential direction of the vane rotor;
a first protruding portion protruding from an end surface of the housing in a first direction of an axial direction of the vane rotor and contacting the one end portion of the spring so as to be biased by the spring; and
a retaining portion disposed on an opposite side of the one end portion of the spring from the end surface of the housing and extending from the first protruding portion so as to restrict movement of the one end portion of the spring in the first direction,
the first protruding portion and the retaining portion being formed integrally with the housing.