Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 601 - 650 out of 3,134

Document Document Title
JP5192285B2  
JP5188295B2  
JP2013064437A
To provide a method for reducing the operation torque of piping equipment, operation torque-reduced piping equipment, and an filming agent for reducing the operation torque that not only enhance sealing properties of the operation part s...  
JP5180515B2  
JP5155220B2  
JP2013036597A
To suppress a reduction in the lifetime of resin-made packing.A shaft sealing device includes: a packing box 101; a movable shaft 102 penetrating through the packing box 101; a packing chamber 103 formed between the packing box 101 and t...  
JP5141301B2  
JP5144880B2  
JP5113771B2  
JP2012533040A
The method and device for giving load to valve packing are explained. The exemplary device for giving load to valve packing contains the load assembly which has an energization element (334) allocated between a valve packing flange (322)...  
JP2012237426A
To extend the life of a bellows by setting cross-sectional curvature radiuses of valley portions and peak portions of the bellows to an optimum range, and equalizing a stress acting on the valley portions and peak portions during extensi...  
JP5078893B2  
JP5066724B2  
JP5053174B2  
JP2012172731A
To provide a gate valve having an upper cover that can be fixed or dismantled by easy work without requiring tightening work of rotating a member.The gate valve has a valve case which constitutes a part of pipeline, a valve body which di...  
JP2011058509A5  
JP5007858B2  
JP5001125B2
Disclosed is a leakage diagnosing device comprising a positioner (2) having fluid-leakage diagnosing unit (2-3). This fluid-leakage diagnosing unit (2-3) sends a drive command to an opening control unit (2-1), thereby to reciprocate a va...  
JP5001754B2  
JP4987953B2  
JP4987097B2  
JP4975015B2  
JP4974691B2  
JP4958350B2  
JP2012107566A
To provide a steam stop valve capable of avoiding the event that a valve rod stops movement or has too-high sliding resistance.The steam stop valve includes a valve element bushing formed by a valve chest and enclosing a valve element, t...  
JP2012097592A
To prevent a stick of a valve rod caused by the followings: a difference of linear expansion coefficients between a guide member and a bush of a steam valve device causes an oxide scale S to be laminated between the guide and the bush; t...  
JP2012506978A
A packing follower (514) for using it with a valve (500) contains a main part which has a long and slender portion (517) and a boa which receives a shaft (506) through there. When a shaft moves toward an opening specified with a main par...  
JP2012057740A
To provide an easily manufacturable butterfly valve superior in durability, by maintaining superior operability and sealability by restraining an increase in operation torque, while preventing an inside structure from being complicated o...  
JP4899130B2  
JP4896658B2  
JP2012505360A
Field removable bonnet assemblies for use with valves are described herein. An example field removable bonnet assembly for use with internal valves includes a body that is to be removably coupled to the internal valve. The body defines a...  
JP4879353B2  
JP2012031951A
To provide a diaphragm barrier membrane having enough durability against stress generated by vertical movement of a valve shaft part and achieving large stroke of a valve element.The diaphragm barrier membrane includes at the lower end o...  
JPWO2010018650A
In an exhaust gas circulation valve device, it is the composition of having provided sealing member 15 held with plug 15c between housing 1 of an exhaust gas aisle side, and 弁軸 7 from bearing 8.  
JPWO2010018650A1
排気ガス循環バルブ装置において、軸受け8 より排気ガス通路側のハウジング1と弁軸7 との間にプラグ15cで保持されたシール部 材15を設けた構成である。  
JP2012502231A
The invention relates to a vacuum valve for interrupting, releasing or controlling a flowing medium in the interior (3) of the vacuum valve (1). A shaft (6) coupled to a valve drive (5) is routed gas-tight from the atmospheric area (4) t...  
JP2012013143A
To provide the shaft seal structure of a high-pressure rotary valve, which can maintain compactness body while increasing strength of the valve as a whole, improves sealing performance and operation performance, facilitates assembling an...  
JP4850617B2  
JP4851056B2  
JP2011243217A
To provide a technique for increasing a degree of freedom of design of a vacuum control valve having a shutoff function.This invention provides the vacuum control valve 30 which is connected between a vacuum vessel and a vacuum pump and ...  
JP4807554B2
To provide an opening and closing valve with a flow channel capable of surely preventing loosening of a bush screwed on a valve main body, and preventing protrusion of the bush even when fluid pressure is rapidly applied. In this opening...  
JP2011202697A
To provide a flow control valve capable of avoiding the shortage of grease as much as possible without replenishing the grease from the outside.A cylindrical sleeve 71 is arranged so as to be positioned on a water passage side relative t...  
JP4791547B2  
JP4721560B2  
JP4721863B2  
JP4719733B2  
JP2011127652A
To prevent formation of a gap between the upper surface of a packing gland and the lower surface of a yoke sleeve even when the packing gland is lowered.A valve stem 12 is journaled in a journaling portion 8 of a valve box in an upwardly...  
JP2011127653A
To prevent formation of a gap between the upper surface of a packing gland and the lower surface of a yoke sleeve even when the packing gland is lowered.A valve stem 12 is journaled in a journaling portion 8 of a valve box in an upwardly...  
JP4712738B2  
JP2011122503A
To provide a steam valve inhibiting steam leaking from a gap between a valve rod and a guide bush from rapidly expanding and preventing erosion of the valve rod by the leaked steam.A plurality of labyrinth grooves 32a to 32e in a circumf...  

Matches 601 - 650 out of 3,134