Title:
DAMPING VALVE
Document Type and Number:
WIPO Patent Application WO/2015/041247
Kind Code:
A1
Abstract:
This damping valve is provided with: a valve seat member having a port and a first valve seat; a shaft member provided to the valve seat member; an annular primary valve body that is mounted to the shaft member, is seated/unseated with respect to the first valve seat, and has a second valve sat at the reverse side from the valve seat member; an auxiliary valve body that is mounted to the shaft member and that is seated/unseated with respect to the second valve seat; an inter-valve-body chamber that is between the primary valve body and the auxiliary valve body and that is formed at the inner peripheral side of the second valve seat; a limiting pathway that interconnects the port and the inter-valve-body chamber and that imparts resistance to the flow of a fluid passing through; a primary valve body biasing means that biases the primary valve body towards the valve seat member side; and an auxiliary valve body biasing means that biases the auxiliary valve body to the primary valve body side. The limiting pathway is formed by means of an annular gap between the primary valve body and the shaft member.
Inventors:
HAGIDAIRA SHINICHI (JP)
Application Number:
PCT/JP2014/074552
Publication Date:
March 26, 2015
Filing Date:
September 17, 2014
Export Citation:
Assignee:
KAYABA INDUSTRY CO LTD (JP)
International Classes:
F16F9/50; F16F9/34; F16F9/46
Domestic Patent References:
| WO2011099143A1 | 2011-08-18 |
Foreign References:
| JP2009281584A | 2009-12-03 | |||
| JP2013011342A | 2013-01-17 | |||
| JP2012215184A | 2012-11-08 | |||
| JP2009250396A | 2009-10-29 |
Other References:
See also references of EP 3048331A4
Attorney, Agent or Firm:
GOTO, Masaki et al. (JP)
Masaki Goto (JP)
Masaki Goto (JP)
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