1 results about "Detent force" patented technology

The application discloses a Stirling cryocooler, which comprises a cylinder assembly, a power piston assembly and a linear motor assembly, the power piston assembly comprises a power piston and a power plate spring, the cylinder assembly comprises a power cylinder, and the linear motor assembly is configured to drive the power piston to make linear reciprocating motion in the power cylinder; wherein, a deviation prevention structure and a pneumatic suspension structure are arranged on the power piston and the power cylinder, the pneumatic suspension structure comprises a gas floating hole arranged on the power piston; the deviation prevention structure comprises a cylinder deviation prevention hole arranged on the power cylinder and an annular deviation prevention groove, a power piston deviation prevention hole and an axial channel arranged on the power piston. The cryocooler can effectively prevent the power piston from generating deviation and current surge in operation and improve the reliability and service life of the vibration reduction structure by improving the internal structure, in particular the deviation prevention structure and the power absorber structure.