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Patent Searching and Data


Matches 301 - 350 out of 998

Document Document Title
JP4089588B2  
JP4080062B2  
JP2008505293A
A flow control valve contains the valve main part which divides the fluid entrance section (18) and fluid exit section (16) by which interconnection was carried out in the connection port (20). It 配設 in a valve main part and is conne...  
JP2007292252A
To provide a valve device capable of easily coping with miniaturization, allowing easy installation of a seal member in a storing recessed part without impairing the service life of a valve member, capable of surely preventing separation...  
JP2007527985A
The method of having been improved which reduces torque required to rotate a multiport rotary disk valve and wear dust, The thrust bearing which supports a valve seat and/or a valve disk so that they may not contact mutually, or so that ...  
JP2007225006A
To provide a valve unit control method capable of separating a valve member from a valve seat with smaller driving torque when opening a valve while avoiding the valve member from being excessively compressed against the valve seat when ...  
JP3972340B2  
JP2007522431A
Are a rotary valve a pulse tube freezer of the 2 steps of multivalve type GM type which it has, and One track for the flow to 蓄冷器, Two high-pressure ports to the above-mentioned pulse tube in which the above-mentioned valve is arra...  
JP3947817B2
To provide an inexpensive motor-driven four-way valve by which abrasion of a valve seat or the like can be reduced and a load of an electric motor device can be reduced and sealing performance can be improved by strongly pressing a valve...  
JP2007519873A
Equipment which is equipment for adjusting the fluid which consists of the main valve operated under different pressure, and is characterized by having an entrance (112) where the above-mentioned main valve is mainstream, and a mainstrea...  
JP2007120522A
To provide a compact and inexpensive vacuum valve having a longer life.The vacuum valve 1 comprises a cylinder part 12, a first port 32 provided in a valve body 31, a second port 33, a valve seat part 34, and a valve element 24 having a ...  
JP2007510870A
The plug valve which has flow control prescribed shape inside a movable component and which balanced completely fundamentally is shown. The seal edge of a movable component is in an outside field about inner side form. This seal edge is ...  
JP3890561B2
To obtain a 2-port vacuum valve having improved functionality that can freely adjust a valve opening according to usage conditions or the like. First and second pistons 15 and 32 are accommodated in a piston chamber 2a in a cylinder 2. T...  
JP2006329333A
To provide an air-operated valve capable of improving sealing performance of a valve seat by restraining thrust of a piston, capable of restraining the production cost, capable of facilitating pipe design and device design, and capable o...  
JP3839908B2
To attain improvement of lubricating performance in a drive screw part of a motor operated valve used in a refrigerating cycle or the like. A motor operated valve 1 has a can 10, in its outer side, a motor mold 20 is mounted. The motor m...  
JP2006292152A
To provide an opening/closing valve device for a fluid, capable of obtaining excellent sealability in both a high pressure state and a low pressure state of a differential pressure.This check valve (opening/closing valve device for the f...  
JP3803729B2
PURPOSE: To provide a valve which is remarkably less in leakage when closed, less in unbalanced force acting on the valve, and capable of being operated even at high temperatures. CONSTITUTION: A valve comprises a valve body 41, a valve ...  
JP2006194448A
To provide a valve capable of remarkably reducing leakage in closing, reducing unbalance force acting on the valve, and being operated even under a high temperature.This valve comprises a valve body 41, a valve stem 56 penetrated through...  
JP3796006B2
To provide a valve seal mechanism whereby an infiltrating amount of a seating part relating to a seal member constituting the valve seal mecha nism is fixed, quality of a fluid pressure equipment used with this valve seal mechanism can b...  
JP2006132743A
To provide smooth water cut-off performance without causing reduction of a communication area.In the metal seat butterfly valve V, a thin elastic metal made cylindrical valve body seat 6 is provided in an inner face of a valve body 1, an...  
JP2006097700A
To provide a ball valve capable of reducing the number of protruding parts into a flow passage without increasing outside diameter of an insert and having the insert capable of casting and molding even an engaging part of an attaching an...  
JP3746839B2
To shorten defrosting time and to improve operation efficiency by a method wherein a flow passage is switched after the pressures of refrigerants in a low pressure output port, a high pressure input port, a through-hole communicating wit...  
JP3746838B2  
JP2006009847A
To reduce pressure loss caused in pressure fluid circulating in the inside of a flow rate controller when changing valve opening by displacing a valve mechanism part.A flow rate control valve 10 is composed of a rotary driving source 90 ...  
JP2005537456A
[Solution means] A valve (50) and a valve lift system (52) suitable for using it with regenerative system thermal oxidation equipment (10) are indicated, and the above-mentioned oxidization equipment contains the change valve. The valve ...  
JP2005532514A
A surge prevention valve may be used to prevent the formation of an initial surge of high pressure. The valve may be located, for example, between a high pressure gas cylinder and a medical pressure regulator. The valve is provided with ...  
JP2005282754A
To provide a solenoid valve with a valve portion having a land diameter increased for allowing the supply of a large flow of oil while preventing an electromagnetic drive part from being locked due to the biting of foreign matters.A spoo...  
JP2005256853A
To provide a change-over valve for sending cooling medium to be introduced into an indoor heat exchanger in the same direction in either case of a heating/dehumidifying operation mode and a cooling/dehumidifying operation mode, in which ...  
JP2005201437A
To prevent the generation of a clamping force for a slider caused by an increase in pressure.A slider piston K has a circulation bore D penetrating through it in the diameter direction, and connects coaxial circulation channel openings o...  
JP3655715B2
To wash a slide valve without removing it perfectly, by making each opening of plural recessed provided to a seal ring, in a keyhole form of opening end, and making the head of a bolt in the hole of the circular surface of a housing, exp...  
JP2005140195A
To provide a solenoid valve device provided in a gas tank, which has a small size and can be easily attached to the gas tank.A valve body 8 having formed therein a flowing passage "a" which communicates the inside and outside of a gas ta...  
JP2005069389A
To provide a valve device capable of avoiding the generation of reverse flow and operation failure by the dynamic pressure without bending a primary side pipe and independently of piping condition.In this valve device, an inlet side inne...  
JP3618286B2  
JP3598595B2  
JP3592123B2  
JP2004263856A
To decrease a fear of plunger lock occurring and improve responsiveness of a solenoid valve, in the solenoid valve to operate a spool by a plunger.A plunger 16 slidably guided and supported by an inner hole 11a formed in a yoke 12 and a ...  
JP2004251366A
To provide a flow control device capable of controlling the flow rate with high accuracy without generating abnormal noise by employing a novel valve mechanism and a novel valve driving mechanism.In the flow control device 1, a stepping ...  
JP2004246625A
To provide an image with excellent visuality for observation object such as a structure and having small noises as the whole image by surely securing information on important parts in term of observation such as boundary of the structure...  
JP2004526111A
A fluid control valve is equipped with the valve body which has a channel, the cage attached in the channel, and the valve object assembly which has a valve object. A cage has a cage hole and specifies the flow control section of a cage ...  
JPWO2002077545A1
略円筒状の内周面を有するハウジングと、該 ハウジングの壁面に形成された、高圧ガス流 路及び低圧ガス流路を含むハウジング流路と 、ベアリングに支持され、前記ハウジン...  
JP2004197877A
To protect a valve seat part of a uniaxial pressure regulator for tap water from being damaged by high water pressure in water hammer phenomenon.A stopper for limiting the stroke, is mounted on a plunger of a uniaxial pressure regulator ...  
JP3538626B2  
JP2004162918A
To provide a valve assembly that balances fluid pressures on both sides of a valve completely or partially, and reduces valve operation force so that an electric operation type can be applicable.The valve assembly body includes a valve h...  
JP2004162920A
To provide a control valve that can reduce the weight of a spool, can be easily miniaturized, and operates rapidly and lightly even if a spool diameter is increased to increase capacity.A cylindrical spool 13 having hollow chambers 15, 1...  
JP3506409B2
To generate the required swirling flow without making a bucket into a complicated shape. In a method for compensating for fluid force of a flow control valve having a passage structure in which a spool 1 is supported in a sleeve S by a s...  
JP2004060331A
To automatically stop a water flow; to quickly cut off a water by manual work; to attain the superior leakage preventive effect; to easily move a locking washer by a locking valve shaft; and to exactly and stably move the locking valve s...  
JP2004044727A
To obtain a 2-port vacuum valve having improved functionality that can freely adjust a valve opening according to usage conditions or the like.First and second pistons 15 and 32 are accommodated in a piston chamber 2a in a cylinder 2. Th...  
JP2003314736A
To reduce a dimension of structure of a valve device to reduce a required space, and to simplify operation of the valve device so as to provide structure in which control of valve members is simple and the valve device is not susceptible...  
JP3455186B2
To prolong a seat life and to facilitate an opening/closing action by preventing a deviational abrasion caused by a rotational action of the ball of a ball valve. At the stage that a seat 40 for sealing an opening/closing ball 20 of a ba...  
JP3445569B2
To provide a pilot type two-port vacuum valve capable of stably performing evacuation by increasing valve opening of a main valve stepwise, and surely preventing a turbulent flow of gas in a vacuum chamber. In this pilot type two-port ty...  

Matches 301 - 350 out of 998