Invention Grant
- Patent Title: Hydraulic center bearing
- Patent Title (中): 液压中心轴承
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Application No.: US13278220Application Date: 2011-10-21
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Publication No.: US08591117B2Publication Date: 2013-11-26
- Inventor: Alain Rene Regis Giraud , Travis Jon Grassmid , Donald Paul Price
- Applicant: Alain Rene Regis Giraud , Travis Jon Grassmid , Donald Paul Price
- Applicant Address: US MI South Haven
- Assignee: Trelleborg Automotive USA
- Current Assignee: Trelleborg Automotive USA
- Current Assignee Address: US MI South Haven
- Agency: Gifford, Krass, Sprinkle, Anderson & Citkowski, P.C.
- Main IPC: F16C27/00
- IPC: F16C27/00 ; F16C27/04

Abstract:
A hydraulic bushing having at least two chambers and at least one channel connecting the chambers. The bushing is made of a high durometer rubber or other polymer to increase durability. The bushing further includes a center bearing press fit in the center of the annular bushing. The bushing is further press fit into an annular seal operable to seal the fluid within the chambers and channels. The bearing, bushing, and seal assembly is then press fit into a bracket which is subsequently mounted to the vehicle. The center bearing is operable to hold the prop shaft wherein the center bearing is free to rotate within the bushing thereby allowing the prop shaft to rotate.
Public/Granted literature
- US20120097824A1 HYDRAULIC CENTER BEARING Public/Granted day:2012-04-26
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