Patents by Inventor Ryota Sugamura
Ryota Sugamura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10801480Abstract: A control valve includes: a body having a main passage through which a discharge chamber and a control chamber communicate, and a sub-passage through which the control chamber and a suction chamber communicate; a main valve seat provided in the main passage; a main valve element configured to touch and leave the main valve seat to close and open a main valve; a sub-valve seat provided in the sub-passage; a sub-valve element configured to touch and leave the sub-valve seat to close and open a sub-valve; a solenoid configured to generate a drive force in a valve closing direction of the main valve; an actuating rod for transmitting the drive force of the solenoid to the main valve element and the sub-valve element; a spring for applying a biasing force to the main valve in a valve opening direction; a spring for applying a biasing force to the sub-valve in a valve closing direction; and a differential pressure valve opening mechanism configured to open the sub-valve when a pressure difference between a controlType: GrantFiled: October 5, 2018Date of Patent: October 13, 2020Assignee: TGK Co., LTD.Inventors: Ryota Sugamura, Shinji Saeki, Masaaki Tonegawa
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Patent number: 10557463Abstract: A control valve includes: a body having a main passage through which a discharge chamber and a control chamber communicate, and a sub-passage through which the control chamber and a suction chamber communicate; a main valve seat provided in the main passage; a main valve element configured to touch and leave the main valve seat to close and open a main valve; a sub-valve seat provided in the sub-passage; a sub-valve element configured to touch and leave the sub-valve seat to close and open a sub-valve; a solenoid configured to generate a drive force in a valve closing direction of the main valve; an actuating rod for transmitting the drive force of the solenoid to the main valve element and the sub-valve element; a spring for applying a biasing force to the main valve in a valve opening direction; a spring for applying a biasing force to the sub-valve in a valve closing direction; and a differential pressure valve opening mechanism configured to open the sub-valve when a pressure difference between a controlType: GrantFiled: October 5, 2018Date of Patent: February 11, 2020Assignee: TGK CO., LTD.Inventors: Ryota Sugamura, Shinji Saeki, Masaaki Tonegawa
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Publication number: 20190040853Abstract: A control valve includes: a body having a main passage through which a discharge chamber and a control chamber communicate, and a sub-passage through which the control chamber and a suction chamber communicate; a main valve seat provided in the main passage; a main valve element configured to touch and leave the main valve seat to close and open a main valve; a sub-valve seat provided in the sub-passage; a sub-valve element configured to touch and leave the sub-valve seat to close and open a sub-valve; a solenoid configured to generate a drive force in a valve closing direction of the main valve; an actuating rod for transmitting the drive force of the solenoid to the main valve element and the sub-valve element; a spring for applying a biasing force to the main valve in a valve opening direction; a spring for applying a biasing force to the sub-valve in a valve closing direction; and a differential pressure valve opening mechanism configured to open the sub-valve when a pressure difference between a controlType: ApplicationFiled: October 5, 2018Publication date: February 7, 2019Inventors: Ryota Sugamura, Shinji Saeki, Masaaki Tonegawa
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Publication number: 20190040852Abstract: A control valve includes: a body having a main passage through which a discharge chamber and a control chamber communicate, and a sub-passage through which the control chamber and a suction chamber communicate; a main valve seat provided in the main passage; a main valve element configured to touch and leave the main valve seat to close and open a main valve; a sub-valve seat provided in the sub-passage; a sub-valve element configured to touch and leave the sub-valve seat to close and open a sub-valve; a solenoid configured to generate a drive force in a valve closing direction of the main valve; an actuating rod for transmitting the drive force of the solenoid to the main valve element and the sub-valve element; a spring for applying a biasing force to the main valve in a valve opening direction; a spring for applying a biasing force to the sub-valve in a valve closing direction; and a differential pressure valve opening mechanism configured to open the sub-valve when a pressure difference between a controlType: ApplicationFiled: October 5, 2018Publication date: February 7, 2019Inventors: Ryota Sugamura, Shinji Saeki, Masaaki Tonegawa
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Patent number: 10113539Abstract: A control valve includes: a body having a main passage through which a discharge chamber and a control chamber communicate, and a sub-passage through which the control chamber and a suction chamber communicate; a main valve seat provided in the main passage; a main valve element configured to touch and leave the main valve seat to close and open a main valve; a sub-valve seat provided in the sub-passage; a sub-valve element configured to touch and leave the sub-valve seat to close and open a sub-valve; a solenoid configured to generate a drive force in a valve closing direction of the main valve; an actuating rod for transmitting the drive force of the solenoid to the main valve element and the sub-valve element; a spring for applying a biasing force to the main valve in a valve opening direction; a spring for applying a biasing force to the sub-valve in a valve closing direction; and a differential pressure valve opening mechanism configured to open the sub-valve when a pressure difference between a controlType: GrantFiled: March 23, 2016Date of Patent: October 30, 2018Assignee: TGK CO., LTD.Inventors: Ryota Sugamura, Shinji Saeki, Masaaki Tonegawa
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Publication number: 20160290326Abstract: A control valve includes: a body having a main passage through which a discharge chamber and a control chamber communicate, and a sub-passage through which the control chamber and a suction chamber communicate; a main valve seat provided in the main passage; a main valve element configured to touch and leave the main valve seat to close and open a main valve; a sub-valve seat provided in the sub-passage; a sub-valve element configured to touch and leave the sub-valve seat to close and open a sub-valve; a solenoid configured to generate a drive force in a valve closing direction of the main valve; an actuating rod for transmitting the drive force of the solenoid to the main valve element and the sub-valve element; a spring for applying a biasing force to the main valve in a valve opening direction; a spring for applying a biasing force to the sub-valve in a valve closing direction; and a differential pressure valve opening mechanism configured to open the sub-valve when a pressure difference between a controlType: ApplicationFiled: March 23, 2016Publication date: October 6, 2016Inventors: Ryota Sugamura, Shinji Saeki, Masaaki Tonegawa
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Publication number: 20160186733Abstract: A control valve includes: a body having a port communicating with a discharge chamber, a port communicating with a control chamber, and a main valve hole formed in a passage connecting the ports; a main valve element configured to close and open a valve section by moving toward and away from the main valve hole; a solenoid configured to generate a force for driving the main valve element in valve opening and closing directions of the valve section, power supply to the solenoid being controlled according to pulse width modulation (PWM); and a vibration absorbing structure including a spring connected with a plunger configured to be displaced integrally with the main valve element, and a weight connected with the plunger with the spring therebetween in a relatively displaceable manner, and configured to suppress vibration of the main valve element caused by the PWM control.Type: ApplicationFiled: December 14, 2015Publication date: June 30, 2016Inventors: Ryota Sugamura, Masaaki Tonegawa, Hidekazu Sakakibara