Title:
SHOCKLESS VALVE AND FLUID PRESSURE CIRCUIT
Document Type and Number:
Japanese Patent JP3655788
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a shockless valve working respectively in flows in both directions of one direction and the other direction.
SOLUTION: A plunger 33 is interfitted slidably in a valve body 32, and a spring 42 for holding the plunger 33 on a neutral position is installed on both side parts of the plunger 33. An orifice 45 is installed integrally with the plunger 33, and one opening 46 and the other opening 47 communicated with each other through the orifice 45 are formed on the plunger 33. One port 34 for restrictively controlling one opening 46 by displacement in one direction from the neutral position of the plunger 33, and the other port 35 for restrictively controlling the other opening 47 by displacement in the other direction from the neutral position of the plunger 33 are formed on the valve body 32.
Inventors:
Hitoshi Iwasaki
Go Kanazawa
Go Kanazawa
Application Number:
JP34684899A
Publication Date:
June 02, 2005
Filing Date:
December 06, 1999
Export Citation:
Assignee:
New Caterpillar Mitsubishi Corporation
Nishina Industry Co., Ltd.
Nishina Industry Co., Ltd.
International Classes:
F16K17/34; F15B11/00; F15B11/08; F16K47/02; (IPC1-7): F15B11/08
Domestic Patent References:
| JP6014502U | ||||
| JP10306468A | ||||
| JP9053602A | ||||
| JP5051947A | ||||
| JP6001802U | ||||
| JP62044305U | ||||
| JP8312801A |
Attorney, Agent or Firm:
樺澤 襄
Shimamune Masami
Satoshi Kabazawa
Shimamune Masami
Satoshi Kabazawa