Invention Grant
- Patent Title: Damper for piston and piston pin, for ice engines
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Application No.: US15786791Application Date: 2017-10-18
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Publication No.: US10393265B2Publication Date: 2019-08-27
- Inventor: Francesco Germano
- Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Applicant Address: US MI Detroit
- Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Current Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Current Assignee Address: US MI Detroit
- Agency: Harness, Dickey & Pierce, P.L.C.
- Main IPC: F16J1/16
- IPC: F16J1/16 ; F02F3/00 ; F16F15/02

Abstract:
A piston pin assembly is provided including a cylindrical pin body having a hollow interior. A mass is disposed in the hollow interior of the cylindrical pin body and a viscoelastic, plastic, or elastomeric material is disposed in the hollow interior between the mass and the cylindrical pin body. The mass and viscoelastic, plastic, and elastomeric material provides a damper for the piston and piston pin to delay the acceleration of piston lateral motion and stabilize the piston rotation and reduce the noise and friction.
Public/Granted literature
- US20190113138A1 DAMPER FOR PISTON AND PISTON PIN, FOR ICE ENGINES Public/Granted day:2019-04-18
Information query
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