Patent ID: 11965438
Assignee: DENSO CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 1:
2. The valve timing adjustment device according to claim 1, wherein
the check valve part has a valve seat portion in which the inflow port and the valve seat are formed,
the sleeve has one end connected to the valve seat portion,
the valve body is disposed inside the sleeve so as to be separated from the valve seat or in contact with the valve seat,
the outflow port is formed so as to connect an inner peripheral wall of the sleeve and an outer peripheral wall of the sleeve, so as to cause an internal space of the sleeve to communicate with outside of the sleeve, and
the back pressure oil passage causes the space opposite to the valve seat with respect to the valve body to communicate with outside of the sleeve.