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JP2020534491A |
A valve device having a valve housing (4), in which a hollow valve portion (6) is guided so as to be movable in the longitudinal direction, and the valve portion is driven by an operating device (8, 14). At least in one open position, th...
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JP6788277B2 |
A valve in a simple configuration that prevents the seat from being damaged by self-excited oscillation of the valve body and thus prevents seat leakage can be provided, the valve comprising: a valve casing having a fluid inlet, a fluid ...
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JP6788887B2 |
To provide an expansion valve capable of suppressing generation of noise caused by vibration of a valve member without wearing inside of a valve body.An expansion valve includes: a power element having an upper lid member, a reception me...
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JP6786535B2 |
The invention provides a dehumidifying valve. In a dehumidifying valve for throttling refrigerant flowing in from a side of a valve member (2) through a discharge groove (16) around a valve port (13),a decrease in a discharge flow rate o...
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JP6778752B2 |
A two-stage electronic expansion valve comprises: a motor (1); and a decelerator (2) connected to an output end of the motor (1). A corrugated tube (11) is sleeved onto the outside of a valve rod (15) of the two-stage electronic expansio...
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JP6768297B2 |
The invention provides a flow control valve capable of effectively reducing noise when a fluid (refrigerant) passes through and reducing a pressure loss in a large opening degree region. In the flow control valve, a sound deadening membe...
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JP2020147965A |
To provide an electronic faucet with an electromagnetic on-off valve in a hot water passage, that is less prone to water hammer that has a high possibility of damaging the electronic faucet, wherein the water hammer occurs in a pipeline ...
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JP6757472B2 |
Disclosed are an electronic expansion valve and a refrigeration system having same. The electronic expansion valve comprises: a valve body (10) having a first valve port (10); a valve needle (20) having a close position and an open posit...
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JP2020143768A |
To provide a flow rate regulating valve that can effectively reduce flowing sound.In a flow rate regulating valve 1, a seat member 11 has a cylindrical part 16 inserted into a tubular part 21 of a straightening member 20, a valve port 30...
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JP2020143586A |
To provide a pressure control unit for enabling appropriate pressure reducing control of a fuel pressure in a high-pressure channel of a fuel injection system.A passage forming member 10 forms a fuel passage 60 communicating the high-pre...
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JP2020143585A |
To provide a pressure control unit for enabling appropriate pressure reducing control of fuel in a high-pressure channel of a fuel injection system and the cooling of structural members.A passage forming member 10 is provided in a high-p...
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JP2020133486A |
To suppress the generation of an airflow sound caused by an excessive rise of a flow speed of a gas in an exhaust nozzle.A purge valve 70 is attached to a purge pipe 55 for connecting a canister for adsorbing evaporation fuel and an inta...
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JP6745636B2 |
To provide an expansion valve enabling vibration control of a valve element and a support member by guiding the support member for supporting the valve element.An expansion valve includes: a valve body having a valve hole for communicati...
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JP6745141B2 |
Provided is a flow regulating valve that can effectively reduce the noise when the fluid (refrigerant) passes through and can reduce the pressure loss in the wide open area. (14) side of the valve port (second valve port) (36) of the sma...
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JP6740179B2 |
To reduce noise due to flow of refrigerant at a valve port, in a motor valve configured to open/close the valve port with a needle valve to control a flow rate of refrigerant.In a valve seat part 1B, formed are a first port 11 having a c...
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JP6738775B2 |
To reduce noise caused by flow of a fluid in an electric valve which opens or closes a valve port 11 with a needle valve 6 to control a flow rate of the fluid such as a refrigerant.A valve port 11, a taper part 12, and a straight part 13...
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JP2020118277A |
To reduce impact noise without depending on a temperature of a hydraulic fluid.A hydraulic device (valve device 220) includes a hollow cylindrical housing portion (body 222), a columnar movable portion (spool 224) housed in the housing p...
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JP6734825B2 |
To provide a spool valve device that can prolong its lifetime while suppressing cost increases.A housing 32 of a direction control valve 31 is provided with a plurality of ports 38, 39A, 39B, 40A, and 40B. A spool 41 is provided with oil...
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JP6734595B2 |
To provide an expansion valve capable of suppressing generation of noise caused by vibration of a valve member even when receiving force in the direction of oscillation of a support member that supports the valve member.An expansion valv...
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JP6726779B2 |
In some examples, a static part includes a static body and a first cylindrical extension extending from the static body, the first cylindrical extension including an open end with a cylindrical inner surface having a first diameter. A mo...
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JP6722923B2 |
To reduce noise due to coolant passing through an expansion valve.A downstream side passage 39 of an expansion valve 1 includes: a small diameter section 70 in which a valve hole 16 and an insertion hole 34 are opened; a large diameter s...
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JP6724550B2 |
A second urging member (81) of an opening/closing valve (1) is provided with a connecting part (81c) to which an external force (91) is imparted from a first urging member (15) via a valve body (14), and a tapering surface (81b) (second ...
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JP6715958B2 |
An expansion valve (1) has a valve main body (3) provided with a valve chamber (5). The valve main body (3) is provided with a valve seat (9), into which a valve body (7) is inserted. The valve main body (3) is provided with a first pipe...
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JP6692213B2 |
Provided is a flow control valve that can effectively reduce the generation of noise due to fluctuations in the pressure or a refrigerant separation phenomenon that may occur while a refrigerant passes through the valve orifice, and also...
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JP6692215B2 |
Provided is a flow control valve capable of effectively reducing noise when passing through a fluid (refrigerant) and reducing a pressure loss in a large opening area. A valve port (second valve port) (36) in a small flow passage communi...
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JP6687424B2 |
To provide a valve device capable of suppressing gas flowing-in noise generated when a gas flows into a valve body of a solenoid valve and the like.A valve device 15 includes a valve body 17 having an inflow passage 17b and an outflow pa...
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JP6675246B2 |
To provide a butterfly valve structure reducing the generation of airflow noise.A butterfly valve structure 1 has an opening portion 2a of a pipe 2 included in a silencer, and a valve body 5 provided on the opening portion 2a, and openin...
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JP6670564B2 |
A liquid electromagnetic valve includes an inlet connected to an external liquid source; an outlet discharging liquid entering from the inlet; a flow path forming member having a flow path connecting the inlet and the outlet formed there...
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JP6665116B2 |
Venturi devices for producing vacuum are disclosed that include a housing defining a motive port, a suction port, a discharge port, a first flow passage between the motive port and the discharge port, and a second flow passage into and t...
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JP6661683B2 |
To provide a motor-operated valve which enables reduction of abnormal noise occurring when a fluid flows in a first flow direction and a second flow direction while inhibiting fluid flow rate loss with a simple structure.A motor-operated...
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JP6659624B2 |
To reduce noise due to flow of refrigerant at a valve port, in a motor valve configured to open/close the valve port with a needle valve to control a flow rate of refrigerant.In a valve seat part 1B, formed are a first port 11 having a c...
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JP6657348B2 |
To provide an electrical drive valve capable of reducing noise which is generated in a case where a fluid is made to flow in a second flow direction by an extremely low differential pressure.An electrical drive valve comprises: a valve m...
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JP6654644B2 |
Provided is a valve structure capable of suppressing the vibration of a valve body. The valve structure includes a valve body and a valve seat. The valve seat has a flow path of a fluid. The flow path opens and closes. A groove surroundi...
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JP6651586B1 |
To suppress the generation of particles and to adjust the flow rate of a fluid with high accuracy. A valve body portion having a flat valve body surface 11a, a valve seat portion 21 having a flat valve seat surface 21a provided around an...
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JP6648309B2 |
A check valve having a reverse-direction fluid supply function capable of supplying a fluid in a reverse direction by opening a fluid passage formed in a central shaft of a disk configured to open or close a flow path. The valve includes...
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JPWO2018180587A1 |
To provide a valve device capable of mounting various electronic devices and having a gas-driven power generation function in which problems of wiring and battery replacement are solved. A piston member 13 for driving a diaphragm 15, an ...
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JP6639876B2 |
Provided is a flow control valve (1) comprising:a valve body (5) including a valve chamber (6) and a valve orifice (10); a pipe joint (14) coupled to the valve orifice (10); and a valve element (30) adapted to change a flow rate of a flu...
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JP6632973B2 |
Check valve units having one or more sound attenuating members are disclosed. A check valve unit includes a housing defining an inlet port, an outlet port, and a chamber in fluid communication therewith thereby defining a flow path from ...
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JP6632991B2 |
Check valves are disclosed and include a housing defining an internal cavity having a first seat and a second seat, and a seal member within the internal cavity translatable between a closed position against the first seat and an open po...
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JP6633121B2 |
To provide an expansion valve capable of reducing noise in a case where both of refrigerant flowing into the expansion valve and refrigerant flowing out from the expansion valve are liquid refrigerant.Refrigeration cycle devices 1, 101, ...
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JP2020002982A |
To provide a shock absorber which can suppress the generation of noise.A relief valve 72 comprises: a valve body 132 having a first shaft part 151 slidable on an internal peripheral face of a flow passage 111 and a main body part 153; a ...
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JP6628144B2 |
A valve mechanism (60) includes a housing (64), a plate-shaped valve body (72), a valve positioning member (73), a drive valve (61) and a drive valve moving mechanism (62). The valve positioning member (73) causes the valve body (72) to ...
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JP6623071B2 |
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JP2019203589A |
To provide an electromagnetic valve capable of reducing an impact load occurring in valve closing with a simple structure, and a refrigeration cycle system using the electromagnetic valve.Between a first contact state where a compression...
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JP6609731B2 |
A control valve comprising a cylindrical hollow trim defining an inner bore extending along an axis between a first opening and a second opening, the first opening defining an inlet of the valve, the trim comprising a first outer cylinde...
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JP6603406B2 |
A valve device includes a valve body that forms a throttle cross section and a valve element that sets the throttle cross section depending on the pressure. To avoid pulsation-induced noises, the valve element is configured with a flow-d...
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JP6595447B2 |
A fluid pressure reduction device includes a radial and axial fluid flow path in stacked disks. The stacked disks form a fluid flow path including at least two pressure reduction stages, a first pressure reduction stage being oriented so...
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JP6592300B2 |
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JP6585380B2 |
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JP6585505B2 |
A force actuated modulating control valve such as a direct acting solenoid valve or pilot actuated bellows valve with a knife edge seat so that the metering location on the seat is at the very outer diameter. In one embodiment, a portion...
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