Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 701 - 750 out of 3,137

Document Document Title
JP2009299770A
To provide a valve device capable of smoothly opening and closing a valve element even in a low temperature environment by improving operability.This valve device has a body for arranging a primary chamber 110a for introducing fluid and ...  
JP4386414B2  
JPWO2008007685A1
初期組立て時に高いシール性を発揮し、また 、増し締めを行った後でも、押圧によるシー ル面圧の向上と流体圧による自封性を発揮し て優れたシール性を確保することができ...  
JP2009287769A
To provide a low noise type electronic expansion valve capable of shutting off flow of refrigerant in a valve chamber into an inside of a can by a disc bellows.The electronic expansion valve has a can bent part 12 in which a lower end te...  
JP2009281418A
To provide a butterfly valve device allowing replacement of a gland packing of a valve rod penetration part while fluid with pressure is made to flow.The butterfly valve device is provided with a valve casing 2, a valve element 5 for ope...  
JP2009275890A
To provide a spindle cover of simple structure improved in fitting work efficiency thereof and capable of sure fitting and remarkable cost reduction.This spindle cover 1 for covering a spindle 102, which is protruded from the center of a...  
JP4367844B2  
JP2009257373A
To provide a valve device capable of securing a flow rate and capable of smoothly opening and closing a valve element with excellent response.The valve device is provided with a shaft 140 displacing in an axial direction by a driving mec...  
JP2009257357A
To provide a vacuum valve capable of preventing part from being corroded.A vacuum valve 1, which comprises a valve main body 4 in which a valve seat 10 is arranged between a first aperture 6 and a second aperture 7, a valve body 14 conta...  
JP4355195B2  
JP4355196B2  
JP4344738B2  
JP4340119B2  
JP2009209973A
To provide a valve unit which can attain miniaturization and lightweight by securing a seal property of the valve unit.A clearance generation when closing valve is reduced in such a way that a seal section 22 of a valve element 2 is cont...  
JP2009191921A
To provide a switchover valve which can efficiently introduce fluid to a channel by preventing an introduced fluid from leaking to the outside, and a tooth paste filling device using it.The switchover valve includes a valve element 10 pr...  
JP4307213B2  
JPWO2009093608A
The highly pure high temperature valve which can improve the flexibility over the environment as a valve gear is provided. Valve driving unit 30 and valve box 40 are connected with bonnet 20 which supports 弁軸 12 slidably, It has axia...  
JP4298813B2  
JP4286934B2  
JP2009523968A
Including the 1st ceiling face, a supple seal ring was allocated in the side this front ceiling face and opposite to, and has offset the back in the direction of an axis to this front ceiling face. The upper surface is allocated between ...  
JP2009138776A
To perform a leakage diagnosis of a control valve easily and quantitatively regardless of the kind of gland packing.A fluid leakage diagnostic section 2-3 is provided to the positioner 2 of the leakage diagnostic system. The fluid leakag...  
JP4279458B2  
JP2009127789A
To always secure a stable waterproofing performance by preventing a bad influence given to a gas cock by vibration during transportation or owing to installation position with regard to the gas plug, in which a cylindrical part (33) is p...  
JP4270617B2  
JP2009103315A
To provide a gas valve which has a simple configuration and can keep a better airtight state.The gas valve 1 includes: a main body 10 including a gas flow passage 14 and valve element sliding surface 15 inside thereof; a plug body 20 whi...  
JP4258806B2  
JP4253590B2  
JP4252937B2  
JP2009058057A
To provide a liquid control valve capable of preventing oil and the like from eluting from an annular seal member and the like of a driving part even if diaphragm valve element is broken, and quickly detecting abnormality such as breakag...  
JP2009052712A
To provide a double-valve plug device which can precisely prevent secondary contamination to liquid products due to external contaminants without increasing manufacturing and maintenance costs.Between an upper valve body 19 which is mova...  
JP4230502B2  
JP4230501B2  
JP2009505022A
A packing nut assembly object for a control valve with a valve box and a valve stick, While being constituted so that a valve box and an operation are possible and it may join together, it has a packing box (40) which has main holes (66)...  
JP4220577B2  
JP4217965B2  
JP2009014030A
To obtain sufficient stroke amount of a valve body, in a motor-operated valve having the valve body displaced by a predetermined drive source.In a displacement enlarging mechanism (60), a first displacement part (48) pressed by the drive...  
JP4213724B2
A two-part, low friction, live loaded packing system for fire safety and low fugitive emission sealing (less than 500 ppm) of a valve stem at operating temperatures up to 450 DEG F. (232 DEG C.). One lower packing ring set around the val...  
JP2009002382A
To provide a fluid control valve device, in which malfunction or breakage is prevented even if it is operated under a low temperature environment wherein water drops can be frozen, by reducing the deposition amount of water drops in a pa...  
JP2008304067A
To improve sealing performance of a valve seat, and to improve the fatigue life of a diaphragm, in a diaphragm valve.A valve seat arrangement is equipped with a body 10 having an inlet port and an outlet port for an fluid and a diaphragm...  
JP2008286339A
To provide a low temperature fluid joint minimizing the leakage of low temperature fluid without the need for gasification.The front end face of a female side poppet valve 30 and the front end face of a male side poppet valve 40 are shap...  
JP4179114B2  
JP2008267433A
To provide a diaphragm valve capable of miniaturizing the whole valve in the height direction by omitting a spring to make a valve element open state, simplifying the constitution by reducing the spring and the peripheral part, and impro...  
JP4175435B2  
JP4171900B2  
JP4169892B2  
JP2008249087A
To provide a butterfly valve which can achieve high sealing performance even if a process for removing a radius R of a rounded portion R is not provided.A cylindrical bearing 6 is press-fitted and fixed into the through-hole 2b of a hous...  
JP2008232291A
To provide a method for handling a pyrophoric substance, capable of safely treating a pyrophoric substance by preventing leak of air from a valve into a pipe, and a valve device used therefor.When the valve device 10 provided in the pipe...  
JP4158952B2  
JP4150480B2  
JP4142883B2  

Matches 701 - 750 out of 3,137