Patents Examined by Umashankar Venkatesan
  • Patent number: 11326709
    Abstract: The present invention prevents that a diaphragm boss drops off from a diaphragm when a movable core is moved up. The present invention is a diaphragm type of solenoid valve including: a main body (10) having a diaphragm seating surface (12) in which a flow channel is opened; a diaphragm (23) configured to be seated on the diaphragm seating surface (12) of the main body (10); a diaphragm boss (22) holding the diaphragm (23); a movable core (21) holding the diaphragm boss (22); and a coil containing body (40) configured to apply an electromagnetic force to the movable core (21) in order to move the movable core in a direction away from the diaphragm seating surface (12) of the main body such that the diaphragm (23) is released from the diaphragm seating surface (12); wherein the diaphragm (23) is integrally formed with the diaphragm boss (22) by a baking process.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: May 10, 2022
    Assignee: Shinwa Controls Co., Ltd
    Inventor: Ryoji Ichiyama
  • Patent number: 11326707
    Abstract: A capacity control valve (1) includes a valve main body (10) having a first communication passage (11), a second communication passage (12), a third communication passage (13), and a main valve seat (15a), a valve element (20) having an intermediate communication passage (29), a main valve portion (21c), and an auxiliary valve portion (23d), and a solenoid (30) having a plunger (35) that drives a first rod (136) and a second rod (36). The first rod (136) opens and closes the main valve portion (21c), and the second rod (36) opens and closes the auxiliary valve portion. The capacity control valve is capable of efficiently discharging a liquid coolant irrespective of pressure of a suction chamber and lowering drive force of a compressor at a liquid coolant discharging operation.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: May 10, 2022
    Inventors: Masahiro Hayama, Yoshihiro Ogawa, Keigo Shirafuji, Kohei Fukudome, Takahiro Ejima, Daichi Kurihara, Wataru Takahashi
  • Patent number: 11326716
    Abstract: A subplate mounted valve is disclosed having an open position and a closed position. The valve includes at least one pilot pressure intake port, a plurality of functional fluid ports, a spool movable between the open position and the closed position, and spring biasing the spool to either the open position or the closed position. To reduce water hammer due to quickly opening or quickly closing the valve, a flow regulation assembly is positioned at the pilot pressure intake port and has a chamber with a larger inlet channel at the intake position and transitioning to a smaller channel at the outlet position such that fluid flow at the intake port is reduced, thereby slowing the transition between the open position and the closed position and the transition between the closed position and the open position.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: May 10, 2022
    Assignee: The Subsea Company
    Inventors: Barry J McMiles, Thomas A Cates
  • Patent number: 11326711
    Abstract: The invention relates to a control valve (10) for a process plant, comprising an actuator (16) which is connected to, and spaced from, a valve body (12) of a valve unit (11) via a yoke (14), the valve body (12) having a housing flange (32) which is detachably connected to the yoke (14), with the valve body (12) having an inlet (20) and an outlet (22) adapted to allow the flow of a process fluid therethrough, which inlet (20) and outlet (22) are each arranged in a fluid connection region (18, 19), and with an actuating member adapted to be displaced by the actuator (16) for controlling the flow rate of the process fluid being arranged in the passage (24) from the inlet (20) to the outlet (22). The invention is characterized in that the housing flange (32) connected to the yoke (14) has at least one recess (44) as well as a yoke fastening region (33), with the yoke fastening region (33) being formed as a bolt hole circle (34) with radially arranged connecting holes (36).
    Type: Grant
    Filed: August 23, 2020
    Date of Patent: May 10, 2022
    Assignee: SAMSON AG
    Inventors: Sebastian Krause, Michael Merscher, Janusz Koinke, Joerg Kuehnbaum
  • Patent number: 11320062
    Abstract: A valve actuator for a valve is disclosed, including an actuator housing with a reciprocation axis and a piston configured to reciprocate within the actuator housing along the reciprocation axis. The actuator housing has a port and a chamber disposed between the piston and a portion of the actuator housing with the port for fluid communication with the port of a working fluid. A piston projection or piston recess in the chamber is moveable with the piston to reduce a flow area in the chamber that causes a reduction in speed of the piston prior to reaching a stop position.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: May 3, 2022
    Inventors: Loc G. Hoang, Margaret Anne Maciejko
  • Patent number: 11306464
    Abstract: Water storage systems are provided to facilitate storing water for use when a primary source of water becomes unavailable. These water storage systems can be configured to connect into a home's or a building's plumbing to enable the water tanks of the system to be easily filled and regenerated. The water storage systems may include a support system to maximize space utilization and to possibly provide seismic protection.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: April 19, 2022
    Assignee: Living Water Storage Solutions LLC
    Inventor: Ben W. Holbrook
  • Patent number: 11300221
    Abstract: A valve apparatus for a vehicle includes a housing having open and closed ends to form an interior space, and formed with first and second intake ports receiving a transmission fluid from a transmission and an oil cooler, a bypass port bypassing the transmission fluid to the transmission, and an exhaust port exhausting the transmission fluid to the oil cooler, an inner cap inserted at least partially into the interior space, fixed to the housing, and having an open hole inserted into the interior space, an operation unit disposed between the inner cap and the closed end of the housing, and reciprocally moves according to a transmission fluid temperature, a valve unit disposed in the operation unit to selectively open and close the bypass port and the exhaust port depending on a movement of the operation unit; and an elastic member interposed between the inner cap and the operation unit.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: April 12, 2022
    Inventors: Jae Yeon Kim, Jun Ho Jang, Hyuk Ju Ko
  • Patent number: 11300222
    Abstract: System for hydraulic valve assembly comprises a valve body having a cylindrical internal cavity and an axially moveable cylindrical spool supported therein. Hydraulic ports are defined through the valve body. The spool includes one or more radially oriented fluid control floating lands. Each floating land is configured to control one or more of fluid flow from a hydraulic port, and fluid flow to a hydraulic port. Each floating land includes a cylindrical control slide defining a hollow chamber, and an end section. The control slide is axially movable relative to the end section between a retention position and an extension position to thereby control one or more of fluid flow from the hydraulic port, and fluid flow to the hydraulic port.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: April 12, 2022
    Inventor: Daniel James Higgins
  • Patent number: 11293427
    Abstract: A valve includes a first valve housing, a second valve housing, a diaphragm, a first fixing part, and a second fixing part. The diaphragm defines an upstream valve chamber together with the first valve housing. The diaphragm defines a downstream valve chamber together with the second valve housing. The diaphragm is movable between a first position in which the diaphragm blocks communication between the upstream valve chamber and the downstream valve chamber, and a second position in which the diaphragm allows communication between the upstream valve chamber and the downstream valve chamber. When in its second position, the diaphragm makes contact with the inlet of the second discharge channel or the wall surface of the downstream valve chamber to seal between the second discharge channel and the first discharge channel, and when in its first position, the diaphragm allows communication between the first discharge channel and the second discharge channel.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: April 5, 2022
    Inventors: Kenichiro Kawamura, Yukiharu Kodama, Hiroshi Takemura, Hiroki Achiwa
  • Patent number: 11287052
    Abstract: A valve arrangement having a main valve and having a pilot valve which is provided for controlling the main valve and which is inserted into a pilot valve receptacle in an insertion direction, wherein, through closure of the pilot valve, a pressure is able to be built up within a pressure chamber which is closed off by a diaphragm, whereby a valve seat between a main valve inlet and a main valve outlet is able to be closed off. By opening the pilot valve, it is possible to set a release of pressure within the pressure chamber by water flowing away via an inflow, connected to the pressure chamber, of the pilot valve receptacle and via a pilot valve inlet, adjoining the latter and formed by a main body of the pilot valve. A pilot valve outlet, formed by the main body, and via an outflow, adjoining said pilot valve outlet, into the main valve outlet, opens into the main valve outlet on the outflow side of the diaphragm.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: March 29, 2022
    Assignee: Neoperl GmbH
    Inventors: Yichao Bian, Marc Tempel
  • Patent number: 11286740
    Abstract: A blowout preventer (BOP) includes a main body that includes a bore extending through the main body. The BOP also includes a cavity intersecting the bore and a pair of opposing shear rams configured to shear a tubular located in the bore. The opposing shear rams are two duplicate shear rams.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: March 29, 2022
    Inventors: Christopher Nault, Micah Threadgill
  • Patent number: 11278940
    Abstract: A compressed fluid discharge control device is provided with a diaphragm valve. When an opening/closing operation member is operated, a pilot chamber opening/closing valve opens to open a pilot chamber. As a result, pressure within a valve chamber becomes higher than that in the pilot chamber and the diaphragm valve separates from a valve seat. Then, compressed fluid previously accumulated in a holding chamber flows into a discharge passage through the valve chamber and is discharged from the discharge opening of the discharge passage.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: March 22, 2022
    Inventors: Yoshiyuki Takada, Yoshitada Doi, Masayuki Oshima, Hiroaki Sasaki
  • Patent number: 11280423
    Abstract: Provided is a thermostatic valve including a first valve body, a second valve body, a third valve body, a first thermal actuator, a second thermal actuator, a valve core, a first valve port, a second valve port and a third valve port. The first valve body includes a second cavity and a third cavity. The second thermal actuator is sealedly fixed in the first valve body to isolate the second cavity from the third cavity. At least a part of the valve core is located in the second cavity. The valve core is connected to, or is integrated with, or abuts against a second valve stem of the second thermal actuator. The second thermal actuator is configured to act in response to a change in temperature of a fluid in the third cavity. The valve core is configured to open the second valve port or the third valve port in response to an action of the second valve stem.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: March 22, 2022
    Inventors: Haoming Qiu, Xiaojun Qian, Xiaodan Lv, Yang Lv
  • Patent number: 11281243
    Abstract: A safety device for hydrodynamic pressure regulating pipe network includes a gate valve, which comprises at least a valve body and a gate. A water inlet of the gate valve is used to be connected to a water inlet pipeline. A hydraulic driving device, which comprises a hydraulic cylinder, is also included. The hydraulic cylinder includes a cylinder body, a piston and a piston rod. The piston rod is connected to the gate. The lower part of the inner cavity of the cylinder body is connected to the water inlet pipeline through a gate opening power pipelines. The upper part of the inner cavity of the cylinder body is connected to a gate closing driving device, which is used to drive the gate and close the gate valve.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: March 22, 2022
    Assignee: Shandong Keyuan Water Supply and Drainage Equipment Engineering Co., Ltd.
    Inventors: Yonghua Zhang, Huiming Zhang, Qinghong Yan, Hongbo Wang, Mei Li, Lianyong Wang, Jiandong Gao, Chunfang Xu, Qingbo Song
  • Patent number: 11274755
    Abstract: A valve for a positive displacement pump, a valve seat, a valve body for use therewith, and a pump comprising such a valve are described. The valve comprises a valve body and a valve seat each having engagement surfaces which are configured, in use, to at least partially engage with one another when the valve is in a closed position to thereby mitigate fluid flow therethrough. The valve body is movable, in use, relative to the valve seat along a linear path of motion from the closed position to an open position, wherein at least a peripheral portion of the engagement surface of the valve body extends at an obtuse angle relative to the linear path of motion in the direction of motion from the closed position to the open position and wherein the length of the peripheral portion is at least 13% of the length of the engagement surface.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: March 15, 2022
    Inventor: Aldo Iannetti
  • Patent number: 11268624
    Abstract: A valve drive device comprising a valve body drive mechanism including a drive gear, a driven gear for turning the valve body, and a power transmission switching part provided with a protruded part of the drive gear and a turning restriction part turnably attached to the driven gear. The turning restriction part comprises a lever part urged with an urging force toward an outer side of the driven gear. The driven gear comprises a lever turning restriction part for restricting turning of the lever part and the lever part is structured to perform a contact operation with the protruded part and a separating operation separated from a contact position with the lever turning restriction part. The valve body drive mechanism further comprises a foreign matter entry restraining part which covers at least a part of a region formed between the lever part and the lever turning restriction part.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: March 8, 2022
    Inventor: Satoru Yokoe
  • Patent number: 11262768
    Abstract: A cap with electromagnetic proportional valve, includes a pilot cap mounted on a valve housing and defining a pilot chamber, and an electromagnetic proportional valve mounted on the pilot cap and adapted to control a pressure of a working fluid supplied to the pilot chamber. The pilot cap includes a supply port into which a working fluid of a fluid pressure supply source is supplied, a discharge port from which the working fluid is discharged to the tank, a primary pressure passage which leads the working fluid at a primary pressure to the electromagnetic proportional valve from the supply port, a secondary pressure passage which leads the working fluid whose pressure is reduced to a secondary pressure by the electromagnetic proportional valve to the pilot chamber, and a drain passage which leads the working fluid discharged from the electromagnetic proportional valve to the discharge port.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: March 1, 2022
    Inventors: Toshiyuki Kitani, Nobuyoshi Yoshida
  • Patent number: 11261992
    Abstract: A sanitary valve (1) having a movable diaphragm (4) of a main valve (3) that is actuable using a push-push mechanism (8) which defines at least three discrete switching positions of the main valve (3) controlled via a pilot valve (6), and/or a flowrate regulator (34), preferably adjustable by the push-push mechanism (8), arranged permanently downstream from the main valve (3).
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: March 1, 2022
    Assignee: Neoperl GmbH
    Inventor: Marc Tempel
  • Patent number: 11255447
    Abstract: A pinch valve assembly includes a valve body having axially-aligned inlet and outlet ports, a flexible sleeve that is releasably mounted within the valve body, a mechanical pinching mechanism, and a valve casing. The flexible sleeve has a longitudinal bore defining a fluid flow path between the inlet port and the outlet port. The pinching mechanism pinches the flexible sleeve to thereby reduce the effective cross-sectional flow area thereof. The valve casing assembly substantially encloses the valve housing. The valve casing assembly includes at least one removable portion to permit access to the valve housing and the flexible sleeve, to facilitate replacement of the flexible sleeve.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: February 22, 2022
    Assignee: Flowtech International Limited
    Inventor: Jason McKenna
  • Patent number: 11255446
    Abstract: A system for distributing high viscosity grease to at least one plug valve includes a replaceable cartridge with a body having a chamber and a piston disposed within the chamber. The piston defines a first space within the chamber for receiving solid grease and a second opposing space within the chamber for receiving fluid for driving the piston to compress the solid grease received within the first space. A manifold detachably couples to the replaceable cartridge and has a manifold chamber for receiving grease flowing under compression from an outlet of the cartridge and a plurality of valves in fluid communication with the manifold chamber for selectively distributing grease to corresponding grease ports of the at least one plug valve.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: February 22, 2022
    Assignee: BlueCore Completions, LLC
    Inventors: Travis Harrel, Matthew J. Jerz, Christian Leuchtenberg