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Patent Searching and Data


Matches 601 - 650 out of 981

Document Document Title
JPS6152471A  
JPS618316B2  
JPS6138283A
PURPOSE:To enable a slider valve to secure the changeover of flow passage by the restriction of a spring receiving part maintaining the spring tension at the starting or ending point of the slider valve. CONSTITUTION:A spring receiving p...  
JPS6128970U  
JPS613994B2  
JPS6117771A
PURPOSE:To prevent an abnormal increase of pressure in a body cavity by acting relaxing force upon a sheet retainer when pressure in the body cavity reaches a designated pressure to connect the body cavity with a fluid passage. CONSTITUT...  
JPS6117772A
PURPOSE:To prevent an abnormal increase of pressure in a body cavity by connecting a body cavity to a fluid passage through a switch valve when pressure in the body cavity reaches a designated pressure. CONSTITUTION:When pressure in a bo...  
JPS6113078A
PURPOSE:To reduce the load in the case when a cock is opened by pulling-up a main valve, by installing an expandable water chamber in the connection part between a main valve and a subvalve. CONSTITUTION:When a subvalve 31 is pulled-up b...  
JPS61577U  
JPS60196075U  
JPS60191783U  
JPS60237273A
PURPOSE:To effect the pressure equalization in upstream and downstream as well as the opening and closing of a main valve body by the rotating operation of a valve shaft only by driving a sub valve body through an operating member screwe...  
JPS60237274A
PURPOSE:To effect the pressure equalizing in upstream and downstream of a main valve body as well as the opening and closing of the same by simple one step operation by a method wherein a driving cam is provided at the end face of a valv...  
JPS6049795B2  
JPS60162774U  
JPS60159276U  
JPS60205083A
PURPOSE:To make the opening or closing of a valve yet more nimble, by installing a hole, interconnecting the inflow port side of a valve body to each inner side of a cylinder member and a piston member, in a valve block. CONSTITUTION:A v...  
JPS60196483A
PURPOSE:To prevent the occurrence of an abnormal increase in pressure by providing an inlet side passage connecting a valve chest to an inlet of a valve casing of a sluice valve and outlet side passage opened to the base of the valve che...  
JPS60147868U  
JPS60192181A
PURPOSE:To prevent leakage of a fluid in the interior even if a balance valve is damaged by providing a nonreturn valve in a passage between a balance valve and a fluid discharge port of a sluice valve. CONSTITUTION:If a grand packing 17...  
JPS60145682U  
JPS60145672U  
JPS60145668U  
JPS6042321B2  
JPS60138079U  
JPS60175886A  
JPS60134983U  
JPS60133131U  
JPS60127173U  
JPS60159407A  
JPS60121574U  
JPS60114380U  
JPS60108874U  
JPS60107472U  
JPS60136670A
PURPOSE:To open a valve by a relatively small power by advancing an auxiliary valve and then advancing the valve and successively opening the valve openings having small and large diameters. CONSTITUTION:An auxiliary valve opening 10 in ...  
JPS60121379A
PURPOSE:To reduce the pressure loss due to a communication hole as far as possible by drilling the communication hole for the communication to the upstream an downstream sides onto a main valve shaft and a main valve piece and opening an...  
JPS6024349B2  
JPS6098271A  
JPS6017249Y2  
JPS6062678U  
JPS6065993A  
JPS6047976U  
JPS6024327U  
JPS6023364U  
JPS605828B2  
JPS59195259U  
JPS59226783A
PURPOSE:To reduce the force required to control the opening and closing a valve by providing a stationary object which is independent from the valve motion inside the valve body for opening and closing a flow passage. CONSTITUTION:The co...  
JPS59226770A
PURPOSE:To simplify the structure and also to facilitate the operation by providing a biasing member that biases an auxiliary valve body to a normally closed position, which valve body opens and closes a communication hole that communica...  
JPS59222680A
PURPOSE:To make stable control attainable without necessitating any seal, by making up a damper chamber outward a main check valve, while installing a pilot check valve in position between this damper chamber and a damper orifice interco...  
JPS59222679A
PURPOSE:To make the maintenance of a balancing condition ever so easy, by making up a flow control part in a large diametral part of a control spool, while setting up a poppet part inside the control spool. CONSTITUTION:A control spool S...  

Matches 601 - 650 out of 981