Patents by Inventor Tadashi Oike
Tadashi Oike 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: 11953110Abstract: A valve device includes: a casing including a valve chamber; a valve seat disposed in the valve chamber and including a valve hole; a float disposed in the valve chamber and movable in accordance with the amount of drain in the valve chamber to thereby open and close the valve hole; and a support supporting the float in the state of being seated on the valve seat and closing the valve hole. The support includes a base including an opening and having a frame shape, and two float seats disposed in the base, and the float in the state of being seated on the valve seat and closing the valve hole is seated on the two float seats.Type: GrantFiled: June 23, 2023Date of Patent: April 9, 2024Assignee: TLV CO., LTD.Inventor: Tadashi Oike
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Publication number: 20230332708Abstract: A valve device includes: a casing including a valve chamber; a valve seat disposed in the valve chamber and including a valve hole; a float disposed in the valve chamber and movable in accordance with the amount of drain in the valve chamber to thereby open and close the valve hole; and a support supporting the float in the state of being seated on the valve seat and closing the valve hole. The support includes a base including an opening and having a frame shape, and two float seats disposed in the base, and the float in the state of being seated on the valve seat and closing the valve hole is seated on the two float seats.Type: ApplicationFiled: June 23, 2023Publication date: October 19, 2023Applicant: TLV CO., LTD.Inventor: Tadashi OIKE
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Patent number: 11713958Abstract: A position detection sensor includes a rod-shaped contact part having a distal end and a proximal end, the contact part being configured such that an outer peripheral surface thereof at the distal end contacts an object and the contact part pivots about the proximal end in accordance with displacement of the object; a movable part configured to move with a pivot of the contact part; and a magnetic switch configured to sense a presence of the movable part and detect a position of the object when the movable part moves to approach a predetermined distance. The contact part is elastic and includes a columnar outer member constituting an outer peripheral portion of the contact part and a rod-shaped inner member inserted in the outer member and having an elastic modulus larger than that of the outer member.Type: GrantFiled: September 9, 2021Date of Patent: August 1, 2023Assignee: TLV CO., LTD.Inventor: Tadashi Oike
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Patent number: 11333256Abstract: A flow rate adjusting valve includes: a casing including an inlet and an outlet and also including a channel connecting the inlet and the outlet to each other; a cylindrical valve port member disposed in the channel and having a valve port penetrating the valve port member in an upstream-downstream direction; and a valve body configured to move forward and backward to the valve port from a downstream side to thereby adjust an opening degree of a downstream opening of the valve port.Type: GrantFiled: September 16, 2020Date of Patent: May 17, 2022Assignee: TLV CO., LTD.Inventor: Tadashi Oike
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Publication number: 20220003531Abstract: A position detection sensor includes a rod-shaped contact part having a distal end and a proximal end, the contact part being configured such that an outer peripheral surface thereof at the distal end contacts an object and the contact part pivots about the proximal end in accordance with displacement of the object; a movable part configured to move with a pivot of the contact part; and a magnetic switch configured to sense a presence of the movable part and detect a position of the object when the movable part moves to approach a predetermined distance. The contact part is elastic and includes a columnar outer member constituting an outer peripheral portion of the contact part and a rod-shaped inner member inserted in the outer member and having an elastic modulus larger than that of the outer member.Type: ApplicationFiled: September 9, 2021Publication date: January 6, 2022Applicant: TLV CO., LTD.Inventor: Tadashi OIKE
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Patent number: 11015718Abstract: A drain trap includes: a casing having a fluid channel; and a second valve mechanism including a second valve seat having a seat surface in a ring shape and a second valve body configured to be displaced to be separated from and seated on the seat surface of the second valve seat so that and the second valve mechanism opens and closes the channel. The second valve seat is held to be movable back and forth along a center axis of the ring shape such that the seat surface of the second valve seat and the seat surface of the second valve body are separated from each other and contact each other, and is held to be rotatable about the center axis of the ring shape.Type: GrantFiled: June 26, 2019Date of Patent: May 25, 2021Assignee: TLV CO., LTD.Inventor: Tadashi Oike
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Publication number: 20200408308Abstract: A flow rate adjusting valve includes: a casing including an inlet and an outlet and also including a channel connecting the inlet and the outlet to each other; a cylindrical valve port member disposed in the channel and having a valve port penetrating the valve port member in an upstream-downstream direction; and a valve body configured to move forward and backward to the valve port from a downstream side to thereby adjust an opening degree of a downstream opening of the valve port.Type: ApplicationFiled: September 16, 2020Publication date: December 31, 2020Applicant: TLV CO., LTD.Inventor: Tadashi OIKE
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Patent number: 10738894Abstract: A flow rate adjusting valve includes: a casing including an inlet, an outlet, and a channel connecting the inlet and the outlet to each other; a valve port disposed in the channel; and a valve body that is disposed upstream of the valve port and moves forward and backward relative to the valve port to adjust an opening degree of an upstream opening of the valve port. The valve port includes a narrowing portion whose opening diameter is smaller than that of the upstream opening, and an enlarging portion continuous to a downstream side of the narrowing portion and having an opening diameter of the narrowing portion. When the upstream opening is at a predetermined opening degree, an area of the valve port through which a fluid passes is at minimum at the narrowing portion.Type: GrantFiled: December 3, 2018Date of Patent: August 11, 2020Assignee: TLV CO., LTD.Inventor: Tadashi Oike
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Patent number: 10605408Abstract: A steam trap monitoring system includes: a steam trap; an opening/closing valve for opening/closing a channel to the steam trap, the opening/closing valve being located on upstream side of the steam trap; a sensor for detecting one or more physical quantities; and an analysis unit for analyzing detection information from the sensor. In this steam trap monitoring system, the analysis unit is configured to analyze both a functional state of the steam trap and a functional state of the opening/closing valve, based on detection information from the single sensor.Type: GrantFiled: July 28, 2015Date of Patent: March 31, 2020Assignee: TLV Co., Ltd.Inventor: Tadashi Oike
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Publication number: 20190316686Abstract: A drain trap includes: a casing having a fluid channel; and a second valve mechanism including a second valve seat having a seat surface in a ring shape and a second valve body configured to be displaced to be separated from and seated on the seat surface of the second valve seat so that and the second valve mechanism opens and closes the channel The second valve seat is held to be movable back and forth along a center axis of the ring shape such that the seat surface of the second valve seat and the seat surface of the second valve body are separated from each other and contact each other, and is held to be rotatable about the center axis of the ring shape.Type: ApplicationFiled: June 26, 2019Publication date: October 17, 2019Applicant: TLV CO., LTD.Inventor: Tadashi OIKE
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Publication number: 20190107207Abstract: A flow rate adjusting valve includes: a casing including an inlet, an outlet, and a channel connecting the inlet and the outlet to each other; a valve port disposed in the channel; and a valve body that is disposed upstream of the valve port and moves forward and backward relative to the valve port to adjust an opening degree of an upstream opening of the valve port. The valve port includes a narrowing portion whose opening diameter is smaller than that of the upstream opening, and an enlarging portion continuous to a downstream side of the narrowing portion and having an opening diameter of the narrowing portion. When the upstream opening is at a predetermined opening degree, an area of the valve port through which a fluid passes is at minimum at the narrowing portion.Type: ApplicationFiled: December 3, 2018Publication date: April 11, 2019Applicant: TLV CO., LTD.Inventor: Tadashi OIKE
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Publication number: 20170299117Abstract: A steam trap monitoring system includes: a steam trap; an opening/closing valve for opening/closing a channel to the steam trap, the opening/closing valve being located on upstream side of the steam trap; a sensor for detecting one or more physical quantities; and an analysis unit for analyzing detection information from the sensor. In this steam trap monitoring system, the analysis unit is configured to analyze both a functional state of the steam trap and a functional state of the opening/closing valve, based on detection information from the single sensor.Type: ApplicationFiled: July 28, 2015Publication date: October 19, 2017Inventor: Tadashi Oike
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Patent number: 9791104Abstract: A float type drain trap in which an inlet, a valve chamber, and an outlet are formed in a valve casing, a valve seat member, a discharge passage, a float, an operation member, a valve member that communicates between the periphery anterior to and the periphery posterior to the middle portion of the operation member when the operation member is in the advanced position and that blocks the periphery anterior to and the periphery posterior to the middle portion of the operation member from one another when the operation member is in the most retracted position is provided to the middle portion of the operation member, and a blow passage formed to communicate the periphery posterior to the valve member of the operation member with the outside distinct from the outlet.Type: GrantFiled: July 1, 2013Date of Patent: October 17, 2017Assignee: TLV Co., Ltd.Inventor: Tadashi Oike
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Publication number: 20150192248Abstract: A body 1 and a cover 2 form a valve casing. An inlet 5, a valve chamber 4, and an outlet 7 are formed in the valve casing. A valve seat member 9 is attached to the lower portion of the valve chamber 4. A discharge passage 8 that communicates the valve chamber 4 with the outlet 7 is formed to the valve seat member 9. A float 11 that is moved away from and seated on the valve seat member 9 to open and close the discharge passage 8 is disposed in the valve chamber 4. An operation member 14 whose tip end is disposed in the discharge passage 8 is provided to be externally operable in the forward and backward directions.Type: ApplicationFiled: July 1, 2013Publication date: July 9, 2015Inventor: Tadashi Oike
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Patent number: 8950429Abstract: Construction of a valve-member monitoring system using wireless communication is facilitated. The valve-member monitoring system is structured with operating-condition sensors each attached to each of multiple steam traps installed on a manifold. The manifold serves as a discharged condensate collecting pipe in which condensate is discharged through the multiple steam traps. The valve-member monitoring system further includes a sensor controlling terminal device that is attached to the manifold or in the vicinity of the manifold and exchanges information by radio with a central control apparatus. In the valve-member monitoring system, the terminal device is connected to the operating-condition sensors each attached to each of the steam traps installed on the manifold with lead lines.Type: GrantFiled: July 26, 2010Date of Patent: February 10, 2015Assignee: TLV Co., Ltd.Inventors: Tadashi Oike, Mamoru Nagase
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Patent number: 8500091Abstract: A valve stem is journaled in a journaling portion of a valve box in an upwardly and downwardly movable manner; a packing is interposed between the journaling portion and the valve stem; a packing gland is arranged above the packing; a yoke sleeve is provided above the packing gland; and a valve seat in the valve box is opened and closed with a valve element provided at the lower end of the valve stem by rotating a handle fitted into the yoke sleeve to move the valve stem upward and downward. A protective tube formed integrally with the packing gland is provided between the packing gland and the yoke sleeve around the valve stem. A guide projection with which the inner periphery of the upper end of the protective tube comes into contact is provided on the lower surface of the yoke sleeve.Type: GrantFiled: December 3, 2010Date of Patent: August 6, 2013Assignee: TLV Co., Ltd.Inventor: Tadashi Oike
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Patent number: D676110Type: GrantFiled: January 14, 2010Date of Patent: February 12, 2013Assignee: TLV Co., Ltd.Inventors: Tadashi Oike, Tetsuo Asada
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Patent number: D679780Type: GrantFiled: July 20, 2010Date of Patent: April 9, 2013Assignee: TLV Co., Ltd.Inventors: Tadashi Oike, Tetsuo Asada
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Patent number: D696749Type: GrantFiled: December 14, 2011Date of Patent: December 31, 2013Assignee: TLV Co., Ltd.Inventors: Tadashi Oike, Tetsuo Asada
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Patent number: D706392Type: GrantFiled: April 19, 2012Date of Patent: June 3, 2014Assignee: TLV Co., Ltd.Inventor: Tadashi Oike