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JP2022155671A |
To enable a temperature of liquid in a liquid supply device that supplies the liquid to an artificial muscle of a robot device to be detected with good accuracy.A robot device according to the disclosure includes at least one artificial ...
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JP2022155599A |
To suppress control of a fluid supply device that supplies an artificial muscle with fluid from being complicated and activate the artificial muscle properly, while satisfactorily securing durability of the fluid supply device.A robot de...
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JP7142436B2 |
A hydraulic machine unit that can be operated with various working forces, in which working medium is selectively delivered, via a pump-piston accumulator system, to a main cylinder and at least one driving cylinder, wherein at least for...
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JP7141592B2 |
A hydraulic pump radiant noise reduction method for a forklift or other work machine is disclosed. The method includes initiating a noise control algorithm that is enabled during periods when the displacement of the hydraulic pump remain...
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JP7126911B2 |
To provide a hydraulic oil tank which can remove air bubbles contained in a hydraulic oil returning to the hydraulic oil tank.A hydraulic oil tank includes: a tank body 210 having inflow ports 211, 212 and an outflow port of a hydraulic ...
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JP2022107221A |
To provide an accumulator which supplies a lubrication oil stably while inhibiting increase of the capacity of a tank body.An accumulator 10 includes: a tank body 11 which has a lubrication oil storage space 115 capable of storing a lubr...
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JP7074664B2 |
A bellows accumulator, in particular a pulsation damper, includes a bellows (3) arranged in an accumulator housing (1) and separating two media chambers (27, 28) from each other. Bellows folds (19) of the bellows can be moved at least pa...
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JP2022062326A |
To provide an accumulator capable of reducing restrictions on installation posture to easily release unnecessary gas from the inside, and a vehicle comprising the accumulator.An accumulator comprises a first chamber 11 into which liquid ...
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JP2022057405A |
To provide a hydraulic unit which can simplify a constitution for diagnosing abnormality of a hydraulic cylinder.A hydraulic unit comprises: a hydraulic pump for supplying a working fluid to a hydraulic actuator; a motor for driving the ...
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JP2022047781A |
To provide a method which can detect signs of degradation and damage of a tube of an artificial muscle, to which a liquid is supplied, in advance.A liquid supply device supplies a liquid to an artificial muscle including a tube in which ...
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JP2022038468A |
To arrange an accumulator compactly.An oil tank 8 is formed in a box shape, and internally partitions a tank internal space 9 in which oil can be stored. An accumulator 5 can accumulate hydraulic pressure inside, and is fixed to the oil ...
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JP2022034133A |
To provide an inert gas generator-equipped oil tank in which an oil tank, an inert gas generator, and an air cleaner are arranged near one another, and that can dramatically enhance handleability.An inert gas generator-equipped oil tank ...
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JP2022034081A |
To improve the degree of assembling freedom.An accumulator structure includes a spool hole 90 having an opening part, and a spool 92 inserted from the opening part, the spool 92 having a second land part 922 and a first land part 921 hav...
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JP7028711B2 |
To provide a braking device for track travel type machine which prevents pressing operation of a brake pad to a rail at the ending of an operation caused by accumulation pressure of a fluid pressure unit, and which can avoid damage on a ...
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JP7014220B2 |
One embodiment of the accumulator device of the present invention is equipped with: a body attached to an attachment target; an accumulator linked to an oil passage; an electromagnetic valve for controlling the flow of the oil inside the...
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JP2022020076A |
To provide a reservoir tank that can improve flexibility of the layout of a connection connector.A reservoir tank 1 includes: a main body 10 in which a storage chamber for liquid is formed; a connection connector 20 disposed on an outer ...
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JP7014219B2 |
One embodiment of the accumulator device of the present invention is equipped with: a body which has an oil passage therein, and is attached to an attachment target; a plurality of accumulators linked to the oil passage; and an electroma...
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JP7014777B2 |
A tank has an annular tank space, and a separating wall for separating an inflow connection from a drain connection is provided therein. Alternatively, or in addition thereto, a partition for degassing the oil in the tank is provided. Fu...
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JP2022001775A |
To detect filling pressure in an air chamber of an accumulator even in the middle of the functioning of a liquid-use object.A liquid device with an accumulator comprises: the accumulator 10 which is partitioned to an air chamber 14 and a...
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JP6981960B2 |
An absorber for use in a fluid delivery system is disclosed which includes a housing defining an interior chamber, a connective fitting extending from the housing in fluid communication with the interior chamber for connecting the housin...
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JP2021187167A |
To provide a vehicular brake fluid pressure control device which can control a biasing force of a piston acting on the fluid pressure chamber side of an accumulator.An accumulator of a vehicular brake fluid pressure control device includ...
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JP6979071B2 |
An accumulator is provided with a communication passage which allows communication between a space inside a gas filling opening and a gas filled chamber in a state where a diaphragm contacts an opening peripheral edge of the gas filling ...
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JP6974449B2 |
Provided is an accumulator for easier maintenance of a metal bellows.The accumulator 1 includes a housing 2 having a shell 4 provided with an opening portion 4a and a disk-shaped base body 5 to which one end 31a of a metal bellows 31 wit...
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JP6974755B2 |
To provide a hydraulic unit which can facilitate removal of a suction pipe.A hydraulic unit (1) includes: a hydraulic oil tank; an upper plate (11) attached to an upper part of the hydraulic oil tank; an opening which is provided at the ...
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JP6975085B2 |
A shell member 10 constituting an accumulator 100 including a cover member 30, a shell member 10 having a cylindrical portion 11, an opening portion 13 formed at one end of the cylindrical portion 11 and welded to the cover member 30, an...
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JP6957777B1 |
To provide a machine tool capable of maintaining a state in which the rotational movement of a rotating body is regulated even when an abnormality occurs in a fluid pressure device or a fluid pressure circuit. A machine tool has a first ...
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JP6956889B2 |
An apparatus includes a bootstrap accumulator having multiple fluid expansion volumes each configured to receive fluid. The bootstrap accumulator also includes a piston assembly configured to move within the fluid expansion volumes based...
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JP6957618B2 |
A diaphragm accumulator (11) provided with a flexible diaphragm (41) inside an accumulator housing (21) has a stress relaxing member (51) having a contact surface (55) which the diaphragm (41) deformed by a pressure fluctuation inside th...
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JP2021173327A |
To provide a pulsation attenuation device capable of increasing a surplus elastic energy capacity of an elastic body capable of being used in pulsation absorption.A pulsation attenuation device 1 of a fluid pressure circuit comprises: an...
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JP6951043B2 |
To provide a hydraulic device which cools an electric motor to extend a time period of continuous operation and achieve expansion of purposes.A fan 36 which cools an electric motor 5 with wind generated by rotation of blades is disposed ...
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JP2021162110A |
To provide a check valve and a fluid supply system capable of stably supplying fluid from a primary side without causing the small vibration of a valve element when a pressure on a secondary side is a predetermined value or lower, while ...
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JP6944437B2 |
To provide a construction machine capable of reducing the labor of refueling work.Inside a hydraulic oil tank 31, a rod 50 extending upward and downward is provided. The rod 50 is connected to a strainer 49, and extends upward and downwa...
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JP6945982B2 |
To solve a problem that a partition plate is arranged in a tank to increase manufacturing costs of the tank.A hydraulic unit of the invention includes: a tank 2 for storing an oil; a pump 3 which is disposed at the lateral side of the ta...
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JP6942149B2 |
An accumulator a housing having a sealing face and a fluid inlet/outlet passage; a bellows fixed at least one end to the housing such that an inner space of the housing such that an inner space of the housing is hermetically partitioned ...
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JP2021127790A |
To provide an accumulator capable of preventing a containment phenomenon.The accumulator includes a body, and a bladder, the bladder dividing the body into a liquid pressure chamber and a gas pressure chamber, the body having a liquid pr...
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JP2021127791A |
To provide an accumulator capable of preventing a containment phenomenon.An accumulator has a liquid pressure side connecting portion 6 that is equipped with a body portion and a bladder, and in which the bladder partitions the inside of...
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JP6928006B2 |
The present invention is to provide an accumulator in which pressure in a housing can be released when a temperature becomes high due to fire, etc.The accumulator 1 includes a housing 2 having a sealing face 25 and a fluid inlet/outlet p...
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JP6917554B2 |
To provide an oil supply system which can unfailingly prevent air bubbles from mixing into oil when supplying the oil to an oil use device in a circulation manner.A lubrication oil supply system 2a has: a device housing chamber 3 which h...
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JP2021116892A |
To provide an accumulator which can further effectively absorb the pulsation of a liquid pressure circuit.An accumulator 1 comprises an accumulator main body 2 and a decompression part 3. The accumulator main body 2 has a main body part ...
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JP6914093B2 |
Provided is a strainer capable of removing bubbles contained in a liquid and preventing the removed bubbles from mixing with the liquid again. The strainer includes a second filtration section having a substantially cylindrical shape wit...
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JP6904983B2 |
The present invention is to provide an accumulator whose life is long without specifically processing a sealing member.An accumulator 1 comprising a housing 2 having a sealing face 25 and a fluid inlet/outlet passage 24, a bellows 3 fixe...
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JP6896763B2 |
A subject of the invention is to provide an accumulator in which a service life of a bellows is prolonged.The accumulator 1 comprises a bellows 3 having a plurality of outer annular ridge portions 38, 38, ... and a plurality of inner ann...
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JP6896924B2 |
Provided is an accumulator having excellent sealing performance between a shell and a bladder. An accumulator 1 is configured such that a peripheral edge portion of a bladder 3 formed of an elastic member is in close contact with the ins...
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JP6892316B2 |
Even in a case where the height of a liquid surface fluctuates or the liquid surface is shaken violently, generation of air bubbles on the liquid surface can be prevented. Inside a tank body storing a liquid, a return filter is provided ...
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JP6885969B2 |
The invention relates to a valve device with a pressure reducing function, consisting of at least one logic valve (V1), a blocking vale (V2) and a pressure reducing valve (V3).
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JP2021088463A |
To provide an impact suppressing device of an industrial vehicle capable of suppressing deterioration of an impact suppressing function.An impact suppressing device of a forklift includes: a connection oil path 25 branched from an oil su...
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JP2021089045A |
To further reduce a medium pressure needed for pushing up closing means to improve a life of a bladder when an operation of the accumulator is resumed.An accumulator includes a body part and a bladder 3. A fluid pressure chamber and an a...
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JP6881568B2 |
A hydraulic device comprising: a tank for storing hydraulic fluid therein; a pump being a power source for supplying hydraulic fluid from inside this tank to a drive target; a hydraulic circuit for adding/removing hydraulic fluid between...
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JP6875511B2 |
An electrohydraulic drive unit is provided, comprising a cylinder-piston assembly having a piston-side first hydraulic working chamber and a piston-rod-side second hydraulic working chamber, a tank, a hydraulic pump, which can be driven ...
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JP6872509B2 |
To provide a hydraulic power unit that can inhibit an oil tank from being damaged or deformed.A hydraulic power unit 1 comprises a frame 3 placed on a base 2, an oil tank 4 arranged on an upper part of the frame 3, a hydraulic pump 7 for...
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