Provided is a valve assembly for controlling a fluid. The valve assembly includes: a high-pressure container for storing hydrogen gas; a first flow path that is connected to a charging unit for charging a hydrogen gas, and a gas consuming unit, so that the hydrogen gas for charge and use, passes through one flow path; a second flow path that is connected between the high-pressure container and the first flow path; a third flow path that is connected between the high-pressure container and the first flow path; a manual valve that is mounted on the first flow path to manually open and close the first flow path; a solenoid valve that is mounted on the third flow path to open and close the third flow path; a fourth flow path that is connected between the high-pressure container and the first flow path; and a bleed valve that is mounted on the fourth flow path and opens and closes the fourth flow path to discharge the hydrogen gas inside the high-pressure container through the first flow path.
A valve assembly for controlling a fluid, of the present invention, comprises: a high-pressure container for storing hydrogen gas; a first flow path that is connected to a charging part for hydrogen gas, and a gas using part, so that the hydrogen gas for charge and use, passes through one flow path; a second flow path that is connected between the high-pressure container and the first flow path; a third flow path that is connected between the high-pressure container and the first flow path; a manual valve that is mounted on the first flow path to manually open and close the first flow path; a solenoid valve that is mounted on the third flow path to open and close the third flow path; a fourth flow path that is connected between the high-pressure container and the first flow path; and a bleed valve that is mounted on the fourth flow path and opens and closes the fourth flow path to discharge the hydrogen gas inside the high-pressure container through the first flow path.
A pressure relief device for a high-pressure vessel comprises: a cap member having a space part formed therein; and a piston member having a first chamber part, and dividing the space part of the cap member into a second chamber part and a third chamber part, and thus, when fusible alloy is molten, the molten fusible alloy sequentially flows into the first chamber part and the second chamber part so that leakage of the molten fusible alloy to the outside can be prevented.
F16K 17/38 - Safety valvesEqualising valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
F17C 13/12 - Arrangements or mounting of devices for preventing or minimising the effect of explosion
A pressure relief device for a high-pressure vessel includes: a first body part which is coupled to a valve body mounted on a high-pressure vessel, and which has a gas passage and a space part formed therein, the gas passage having a gas of the high-pressure vessel entering therein, and the space part communicating with the gas passage; a second body part which is mounted in the space part of the first body part, and has a gas outlet and a chamber formed therein, the gas outlet discharging, to the outside, the gas that has entered into the space part, and the chamber communicating with the space part; a piston member which is mounted in the chamber so as to be linearly moveable so as to open/close the gas passage; a spring arranged between the space part and the piston member so as to provide an elastic force in the backward-moving direction of the piston member; and a fusible alloy which is mounted in the chamber in a position at the rear of the piston member, and melts when the surrounding temperature reaches a predetermined temperature or higher, wherein, when the fusible alloy melts and is thus discharged to the outside of the chamber, the piston member moves backwards, thereby opening the gas passage, and thus the gas may be rapidly discharged, and reliability may be increased.
Provided is a valve assembly for a gas vessel including: a valve body mounted at an inlet of the gas vessel and connected to a gas supply source; a connection part connected to the gas supply source on a side surface of the valve body; a check valve mounted on the connection part; and a safety valve mounted on the side surface of the valve body to discharge a fuel gas in the gas vessel to the outside when a gas pressure inside the gas vessel increases above a certain pressure or higher. The valve assembly for a gas vessel is connected to the lower end of the valve body and arranged in the gas vessel to block the gas passage when the fuel gas introduced through the valve body is charged to a set value to prevent overcharging of the fuel gas.
F16K 31/24 - Operating meansReleasing devices actuated by fluid actuated by a float actuating a lift valve with a transmission with parts linked together from a single float to a single valve
F16K 15/18 - Check valves with actuating mechanismCombined check valves and actuated valves
F16K 31/26 - Operating meansReleasing devices actuated by fluid actuated by a float actuating a lift valve with a transmission with parts linked together from a single float to a single valve with the valve guided for rectilinear movement and the float attached to a pivoted arm
This hydrogen fuel container assembly can be applied to various types of modes of transport by comprising: a plurality of hydrogen fuel containers filled with hydrogen fuel; a container tray on which the plurality of hydrogen fuel containers are arranged and mounted in a line; connection plugs which are mounted on first entrance portions formed at the front parts of the plurality of hydrogen fuel containers, and through which the hydrogen fuel goes in and out; a connection line connecting the connection plugs so that the hydrogen fuel passes therethrough; and a control valve, which is connected to the connection line, supplies, to a use part, the hydrogen fuel stored in the hydrogen fuel containers, and controls the flow of the hydrogen fuel when filling the containers with the hydrogen fuel.
A solenoid valve for a high-pressure container of the present invention comprises: a body portion; a valve seat which is installed on the lower portion of the body portion and has a discharge port through which a raw material gas is discharged; a coil to which electric power is applied; a core installed on the inner surface of the body portion; a lower plunger; an upper plunger; an operating rod arranged in the upper plunger; a spring arranged between the core and the operating rod; and a ball member of a spherical shape which is in contact with the lower surface of the operating rod and is seated on a seating portion formed on the lower side of the upper plunger to open/close an orifice. Thus, the hermetic state can be maintained at low pressure, and leakage in the low-pressure state can be prevented.
The present invention comprises: a first stepped part formed, in the perpendicular direction with respect to the insertion direction of a component unit, in a component mounting part of a valve body; a second stepped part formed at the outer surface of the component unit so as to face the first stepped part; and an airtight unit disposed between the second stepped part and the second stepped part so as to maintain airtightness between the valve body and the component unit. The airtight unit includes: a lower protrusion part protruding from the upper surface of the first stepped part in a shape in which the tip portion thereof is pointed; an upper protrusion part protruding from the lower surface of the second stepped part in a shape in which the tip portion thereof is pointed; and a sealing member, which is inserted and disposed between the first stepped part and the second stepped part and into which the lower protrusion part and the upper protrusion part penetrate, and thus airtightness is improved.
A pressure relief device for a high-pressure vessel, of the present invention, comprises: a cap member having a space part formed therein; and a piston member having a first chamber part, and dividing the space part of the cap member into a second chamber part and a third chamber part, and thus, when fusible alloy is molten, the molten fusible alloy sequentially flows into the first chamber part and the second chamber part so that leakage of the molten fusible alloy to the outside can be prevented.
A pressure relief device for a high-pressure vessel of the present invention comprises: a first body part which is coupled to a valve body mounted on a high-pressure vessel, and which has a gas passage and a space part formed, the gas passage having a gas of the high-pressure vessel entering therein, and the space part communicating with the gas passage; a second body which is mounted in the space part of the first body part, and has a gas outlet and a chamber formed, the gas outlet discharging, to the outside, the gas that has entered into the space part, and the chamber communicating with the space part; a piston member which is mounted in the chamber so as to be linearly moveable so as to open/close the gas passage; a spring disposed between the space part and the piston member so as to provide an elastic force in the backward-moving direction of the piston member; and a fusible alloy which is mounted in the chamber in a position at the rear of the piston member, and melts when the surrounding temperature reaches a predetermined temperature or higher, wherein, when the fusible alloy melts and is thus discharged to the outside of the chamber, the piston member moves backwards, thereby opening the gas passage, and thus the gas may be rapidly discharged, and reliability may be increased.
A pressure relief device for a high-pressure vessel of the present invention divides the inside of a chamber into a first chamber and a second chamber, includes a gap portion formed between a piston member for opening and closing an outlet and the inner surface of the chamber to maintain the internal pressure of the first chamber and the second chamber at the same pressure, wherein when a fusible alloy is melted and a gas outlet is opened, a pressure difference is generated between the first chamber and the second chamber, and the piston is retracted and the outlet is opened to release the pressure of the high-pressure vessel, thereby preventing explosion of the high-pressure vessel.
A solenoid valve for a high-pressure container of the present invention comprises: a body portion; a valve seat which is installed on the lower portion of the body portion and has a discharge port through which a raw material gas is discharged; a coil to which electric power is applied; a core installed on the inner surface of the body portion; a lower plunger; an upper plunger; an operating rod arranged in the upper plunger; a spring arranged between the core and the operating rod; and a ball member of a spherical shape which is in contact with the lower surface of the operating rod and is seated on a seating portion formed on the lower side of the upper plunger to open/close an orifice. Thus, the hermetic state can be maintained at low pressure, and leakage in the low-pressure state can be prevented.
A fluid-controlling valve having a decompression function of the present invention comprises: a valve body mounted to a high-pressure container and having a plurality of flow paths formed therein, through which a source gas passes; a manual valve which is mounted to the valve body and manually opens and closes a first flow path connected to the high-pressure container; a solenoid valve which is connected to the manual valve through a second flow path and a third flow path and automatically opens and closes flow paths according to an electric signal; a check valve which is installed at a flow path for filling the high-pressure container with a source gas, to open a flow of one direction while blocking a flow of the opposite direction; a first decompression unit which is connected to the solenoid valve through a fourth flow path to primarily decompress a source gas; and a second decompression unit which is connected to the first decompression unit through a connection flow path to secondarily decompress the primarily decompressed source gas and supply same to a source-using part. Therefore, the fluid-controlling valve can simultaneously function to control filling or releasing of a source gas and decompress the source gas to the working pressure.
F16K 17/02 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
F16K 31/14 - Operating meansReleasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
A valve for high-pressure containers of the present invention comprises: a valve body which is mounted to an inlet of a high-pressure container filled with a source gas, and has a flow path through which the source gas passes; a manual valve which is mounted to the valve body and manually opens and closes the flow path; a source gas filling part which is mounted to a side surface of the valve body and fills a high-pressure source gas into the high-pressure container; and a decompressing part which is mounted to the upper surface of the valve body and connected to a gas utilization part to decompress the source gas stored in the high-pressure container to the utilization pressure of the gas utilization part. The function of filling the source gas into the valve mounted to the high-pressure container, the function of opening and closing the flow path, and the decompressing function are integrated in the valve for high-pressure containers, thus rendering a separate decompression valve unnecessary and enabling the configuration thereof to be simplified.
F17C 5/00 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases
F16K 17/04 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
Provided is a fluid control solenoid valve including: a valve body; a valve seat mounted on a lower portion thereof; a coil mounted on an outer circumferential surface thereof and to which power is applied; a core mounted on an inner surface thereof; a lower plunger movably disposed on the inner surface thereof and formed with an orifice and integrally formed with a tight contact portion to be in tight contact with the valve seat on a bottom surface thereof; and an actuating unit arranged to be linearly moved on an upper side of the lower plunger, actuated by interlocking the lower plunger and formed with an actuating rod which is linearly moved and which is in close contact with the orifice. A fluid flow delay unit is provided on an outer surface of the lower plunger to generate pressure difference between upper and lower portions of the lower plunger.
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
F16K 31/10 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet with additional mechanism between armature and closure member
F16K 31/40 - Operating meansReleasing devices actuated by fluid in which fluid from the conduit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
F16K 39/02 - Devices for relieving the pressure on the sealing faces for lift valves
A solenoid valve for controlling fluid, of the present invention, comprises: a valve body; a valve seat mounted at a lower part of the valve body; coils mounted along an outer peripheral surface of the valve body such that power is applied thereto; a core mounted on an inner surface of the valve body; a lower plunger movably disposed at an inner surface of the valve body, having an orifice, and having a contact part, which is integrally formed on a lower surface thereof and comes into close contact with the valve seat; and an operating unit disposed at an upper side of the lower plunger so as to be linearly movable, operating by interlocking with the lower plunger, linearly moving when the power is applied to the coils, and having an operating rod coming into close contact with the orifice, wherein a fluid flow delaying part for delaying the flow of fluid moving through a gap between the valve body and the lower plunger, so as to generate a pressure difference between upper and lower parts of the lower plunger, is provided on an outer surface of the lower plunger so as to generate the pressure difference between the upper and lower parts of the lower plunger, such that the lower plunger is lifted, thereby enabling the valve to be smoothly operated.
A fluid control solenoid valve includes a valve body; valve seat; coil on an outer circumferential surface of the valve body; core; lower plunger movably disposed on the inner surface of the valve body and formed with an orifice; and actuating unit arranged to be linearly moved on an upper side of the lower plunger, actuated by interlocking the lower plunger and formed with an actuating rod linearly moved and in close contact with the orifice when power is applied to the coil. A fluid flow delay unit is provided on an outer surface of the lower plunger for delaying flow of fluid through a gap between the valve body and the lower plunger to generate a pressure difference between upper and lower portions of the lower plunger to raise the lower plunger to perform a smooth operation of the solenoid valve.
Provided is a fluid control valve assembly including: a main valve body having a first flow passage that is mounted on an inlet of a high-pressure vessel and through which a charging source gas passes, a second flow passage through which a feeding source gas passes, and a third flow passage to which the first flow passage and the second flow passage are connected; a manual valve that is mounted on the main valve body and that opens and closes the third flow passage; a solenoid valve that is mounted on the main valve body and that opens and closes the second flow passage by an electrical signal; a first check valve that is provided on the first flow passage to thus block a reverse flow of the charging source gas; and a second check valve that is provided on the second flow passage to thus block a reverse flow of the feeding source gas, and block the charging source gas from flowing in the second flow passage, to thereby prevent the charging source gas from flowing in the solenoid valve. Accordingly, a charging gas pressure of a high-pressure is prevented from being applied to a solenoid valve, to thereby prevent damage to the solenoid valve and to prevent a malfunction of the solenoid valve.
A fluid control valve assembly of the present invention comprises: a main valve body having a first flow path which is provided at an inlet of a high-pressure container and passes a filling source gas, a second flow path which passes a supplying source gas, and a third flow path for connecting the first flow path with the second flow path; a manual valve which is provided on the main valve body to open/close the third flow path; a solenoid valve which is provided on the main valve body, and which opens/closes the second flow path according to an electric signal; a first check valve provided at the first flow path to block the back flow of the filling source gas; and a second check valve which is provided at the second flow path to block the back flow of the supplying source gas, and which prevents the inflow of the filling source gas into the solenoid valve by blocking the filling source gas from flowing into the second flow path, and thus the present invention can prevent damage to and malfunction of the solenoid valve by blocking high filling pressure from being applied to the solenoid valve.
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
F16K 31/12 - Operating meansReleasing devices actuated by fluid
F16K 51/00 - Other details not peculiar to particular types of valves or cut-off apparatus
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
A fluid control valve assembly of the present invention comprises: a main valve body having a first flow path which is provided at an inlet of a high-pressure container and passes a filling source gas, a second flow path which passes a supplying source gas, and a third flow path for connecting the first flow path with the second flow path; a manual valve which is provided on the main valve body to open/close the third flow path; a solenoid valve which is provided on the main valve body, and which opens/closes the second flow path according to an electric signal; a first check valve provided at the first flow path to block the back flow of the filling source gas; and a second check valve which is provided at the second flow path to block the back flow of the supplying source gas, and which prevents the inflow of the filling source gas into the solenoid valve by blocking the filling source gas from flowing into the second flow path, and thus the present invention can prevent damage to and malfunction of the solenoid valve by blocking high filling pressure from being applied to the solenoid valve.
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
F16K 31/12 - Operating meansReleasing devices actuated by fluid
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
F16K 51/00 - Other details not peculiar to particular types of valves or cut-off apparatus
