Invention Grant
- Patent Title: Hydraulic damper with adjustable rebound valve assembly
- Patent Title (中): 具有可调式回弹阀总成的液压阻尼器
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Application No.: US14353221Application Date: 2012-03-27
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Publication No.: US09334919B2Publication Date: 2016-05-10
- Inventor: Piotr Andrzej Flacht , Radoslaw Pawel Grzesik
- Applicant: Piotr Andrzej Flacht , Radoslaw Pawel Grzesik
- Applicant Address: CN Beijing
- Assignee: Beijing West Industries Co. Ltd.
- Current Assignee: Beijing West Industries Co. Ltd.
- Current Assignee Address: CN Beijing
- Agency: Dickinson Wright PLLC
- International Application: PCT/CN2012/073128 WO 20120327
- International Announcement: WO2013/143070 WO 20131003
- Main IPC: F16F9/34
- IPC: F16F9/34 ; F16F9/512 ; F16F9/348

Abstract:
A hydraulic damper (1) includes an orifice plate (33) provided with an axial projection (334) and a number of rebound flow passages (332) disposed around the projection (334). A deflectable disc (91) and an elliptical disc (92) is disposed slidably one on top of the other over the axial projection (334) to cover a compression side of the rebound flow passages (332). A cage member (34) is fixed to a piston assembly at the compression side thereof and is provided with at least one passage (341, 343). A compression spring (95) is preloaded between the cage member (34) and the discs (91, 92) to normally close the compression side of the rebound flow passages (332).
Public/Granted literature
- US20150204410A1 HYDRAULIC DAMPER WITH ADJUSTABLE REBOUND VALVE ASSEMBLY Public/Granted day:2015-07-23
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