68 patents
Utility
Electromagnetic Actuator
4 Jan 24
An electromagnetic actuator includes a stator, a coil for excitation, a mover, a shaft of a single outer diameter, and a buffer unit.
Ryosuke DAKIISHI
Filed: 4 May 23
Utility
Pump Device
28 Dec 23
The pump device includes a housing defining insertion holes for a rotation shaft, inlets and outlets, and an internal passage; a first pump element; and a second pump element.
Yasuhiro INO
Filed: 10 Apr 23
Utility
Solenoid Actuator
30 Nov 23
A solenoid actuator 1 includes: a coil 3; a first stator 10 that includes a first yoke 14 and a cylindrical guide 30 fixed to an inner peripheral side of the first yoke 14; a second stator 20 arranged to face the first stator 10 in an axial direction so as to form a magnetic path 4 around the coil 3 together with the first stator 10; and a mover 50 configured to move in the axial direction toward the second stator 20 from an original position radially inward of the first stator by a magnetic force generated by energizing the coil 3.
Toshiki OGASAWARA, Hirofumi SAITO
Filed: 22 Mar 23
Utility
Solenoid Actuator and Method for Manufacturing Solenoid Actuator
30 Nov 23
A solenoid actuator 1 (1A, 1B) includes: a coil 3; a first stator 10 and a second stator 20 disposed with an air gap 11 therebetween in an axial direction so as to form a magnetic path 4 around the coil 3; and a mover 50 configured to move in the axial direction toward the second stator 20 from an original position radially inward of the first stator 10 by a magnetic force generated by energizing the coil 3.
Hirofumi SAITO
Filed: 22 Mar 23
Utility
Coil Winding Portion Structure for Stator
16 Nov 23
In a motor unit that includes a stator including coils, a rotor, and an insulator attached to the stator, the insulator includes a bobbin portion around which a first coil wire or a second coil wire is wound, and a tubular portion provided outside the bobbin portion in a radial direction, terminals to which the first coil wire and the second coil wire are connected being mounted on the tubular portion, the tubular portion includes, at an upper end thereof between the coils and the terminals, base portions and guide portions receiving a load of the first coil wire or the second coil wire when the first coil wire or the second coil wire is wound in the coils such that the base portions and the guide portions are aligned in a circumferential direction.
Kan OYAMADA, Jun TAKAHASHI
Filed: 5 May 23
Utility
Fluid Control Valve Unit and Valve Timing Changing Device
26 Oct 23
A fluid control valve unit includes: a fluid control valve including a sleeve that defines an axis and a spool slidably disposed in the sleeve; a passage member including an inner peripheral surface to which the sleeve is fitted, passages, an annular receiving part facing one end of the sleeve, an opening adjacent to the annular receiving part, and an annular groove formed adjacent to the other end of the sleeve and recessed from the inner peripheral surface; a filter member including an elastic part sandwiched between the one end of the sleeve and the annular receiving part and exerting a biasing force in the axial direction; and a snap ring fitted in the annular groove for receiving the other end of the sleeve and detachably receiving the spool.
Kouji SUGANO
Filed: 4 Feb 23
Utility
Pump Device and Outboard Motor
5 Oct 23
The disclosure provides a pump device and an outboard motor equipped with the same.
Yasuhiro INO
Filed: 9 Jan 23
Utility
Fluid Control Valve Unit and Valve Timing Changing Device
14 Sep 23
A fluid control valve unit includes: a fluid control valve including a sleeve in a bottomed cylindrical shape defining an axis, and a spool slidably accommodated in the sleeve in a direction of the axis; a cylindrical passage member including an inner peripheral surface to which the sleeve is fitted, a receiving part for receiving an end of the sleeve in the direction of the axis, and an annular groove recessed from the inner peripheral surface; and a snap ring including a notch with a predetermined gap and fitted in the annular groove to be capable of restricting the fluid control valve accommodated in the passage member from falling off in the direction of the axis and to be capable of discharging fluid flowing through a discharge passage formed in the passage member.
Kouji SUGANO
Filed: 16 Jan 23
Utility
Liquid Container
7 Sep 23
A liquid container according to the present invention includes: a container 2 temporarily storing a fuel; and a drain unit 3 discharging the fuel from a communication hole 11 provided at a lower portion of the container 2, and the drain unit 3 includes a valve body 15 formed of metal with higher strength and hardness than those of the container 2 made of resin, including a drain passage establishing communication between the communication hole 11 and outside and a valve seat facing the drain passage, which are formed therein, and detachably fixed to the container 2, and a drain screw 16 having a valve element attached to the valve body 15 for opening and closing the drain passage by being separated from or abutting the valve seat.
Takumi OIKAWA
Filed: 23 Feb 23
Utility
Pump Device
7 Sep 23
A pump device includes a housing, a pump element, and an on-off valve.
Yasuhiro INO
Filed: 12 Jan 23
Utility
Fluid Control Valve and Valve Timing Changing Device
7 Sep 23
A fluid control valve includes: a sleeve in a bottomed cylindrical shape, including an inlet, communication ports, an inner peripheral surface, and an inflow annular groove recessed from the inner peripheral surface in a region facing the inlet; a spool slidably disposed on the inner peripheral surface in the sleeve to open and close the communication ports; a C-shaped leaf spring formed by bending a leaf spring into an annular shape with two ends facing each other to form a notch and disposed in the inflow annular groove capable of being contracted in diameter to open and close the inlet; and a restricting part provided on the sleeve for restricting diameter contraction of the C-shaped leaf spring beyond a predetermined inner diameter and for restricting a position of the notch in a region away from the inlet.
Kouji Sugano, Tetsuya Sasaki
Filed: 16 Jan 23
Utility
Liquid Pump Device
9 Mar 23
A liquid pump device sucking and discharging liquid includes: a pump unit 50, rotating to make the liquid flow; a housing H, accommodating the pump unit and defining a passage 14 of the liquid; and a temperature sensor 80 having a tip region 80a protruded in the passage 14 of the liquid to measure a temperature of the liquid flowing on the passage 14.
Yuichi MIKAMI, Takeshi OGI, Jun TAKAHASHI
Filed: 17 Aug 22
Utility
Electric Oil Pump and Control System Thereof
9 Feb 23
An electric oil pump includes: a pump unit 2, rotating to make oil flow; a motor 3 driving the pump unit; a control unit 4 exerting driving control on the motor; and a housing 1 accommodating the pump unit, the motor, and the motor control unit.
Osamu MIURA, Yasuaki OTA, Takashi DOI
Filed: 21 Jul 22
Utility
Oil Pump Device
29 Dec 22
The present invention provides an oil pump device capable of preventing foreign matters from getting caught at a sliding part of an oil pump, and thus of preventing a situation where the oil pump is locked and prevented from rotating.
Hideaki KUSANAGI
Filed: 3 Jun 22
Utility
Pump Device
27 Oct 22
The disclosure provides a pump device capable of suppressing hydraulic amplitude and reducing noise or vibration associated with hydraulic amplitude while simplifying the structure.
Norio TAKEHANA
Filed: 17 Mar 22
Utility
Engine Throttle Device
13 Oct 22
An engine throttle device (1) including a throttle valve (5) supported by a throttle shaft (4) inside a throttle bore (2a, 3a) of a valve body (2, 3) and driven to open and close, and a throttle sensor (11) including an excitation conductor provided at one end of the throttle shaft (4) , and a substrate (15) provided with an exciting conductor (13) and a signal detection conductor (14) to face the excitation conductor includes: an excitation conductor unit (12) including an excitation conductor portion (12a) functioning as the excitation conductor, a sensor-side screw portion (12d) provided on a shaft line of the excitation conductor portion (12a), and a sensor-side abutting surface (12e) surrounding the sensor-side screw portion (12d), the excitation conductor unit (12) being integrally formed of a metal material; a shaft-side screw portion (17) formed at one end (4a) of the throttle shaft (4) and screwed to the sensor-side screw portion (12d); and a shaft--side abutting surface (18) formed at the one end (4a) to surround the shaft-side screw portion (17) and abutting the sensor-side abutting surface (12e) when the shaft-side screw portion (17) is screwed to the sensor-side screw portion (12d).
Yoshinobu KOMOTO
Filed: 23 Aug 19
Utility
Rotation Driving Device
6 Oct 22
A rotation driving device includes: a body 10, made of resin, and having an accommodation hole 13 in a cylindrical shape with an axis S as a center; a motor M, comprising a rotor 60 provided in an accommodation hole of the body and rotating around the axis and a rotation shaft 40 integrally rotating around the axis with the rotor and extending in an axial direction; a first bearing B1 fixed to an end side of the body and a second bearing B2 fixed to the other end side of the body in the axial direction, so as to rotatably support the rotation shaft; and a first cover member 110 connected to the one end side of the body and a second cover member 120 connected to the other end side of the body.
Hisashi SHIOKAWA, Daiki IHARA, Shota YAGOH, Katsushi TAKAMI
Filed: 18 Jan 22
Utility
Valve Timing Change Device
29 Sep 22
A valve timing change device 2 comprises: a vane rotor 4; a housing 6 accommodating the vane rotor; a spring 8 contacting at one end portion 8b the housing and contacting at another end portion 8c the vane rotor to bias the vane rotor against the housing in a circumferential direction of the vane rotor; a first protruding portion 32 protruding from an end surface 6a of the housing on a first direction side of an axial direction of the vane rotor and contacting the one end portion of the spring so as to be biased by the spring; and a retaining portion 34 disposed on the first direction side of the one end portion of the spring and extending from the first protruding portion so as to restrict movement of the one end portion of the spring in the first direction.
Riki MURASAKA
Filed: 9 Jul 19
Utility
Fluid Control Valve
22 Sep 22
Provided is an electric throttle valve incorporating a deceleration mechanism in a housing space between a cover including a connector and a valve body with the valve body and the cover laser-welded to seal the housing space, in which the deceleration mechanism includes an intermediate shaft disposed to be parallel to a motor shaft and a valve shaft, a first intermediate gear engaged with a motor gear secured to an end portion of the motor shaft, and a second intermediate gear engaged with a valve gear secured to the valve shaft, the first intermediate gear and the second intermediate gear are disposed to be aligned in an axial direction of the intermediate shaft and are integrally configured, the first intermediate gear is disposed to be closer to the electric motor than the second intermediate gear, and the connector is disposed above the motor shaft and on a side of the second intermediate gear.
Yuuhei SANEKATA, Keigo SUZUKI, Yuusaku IDE, Yuuta TANAKA
Filed: 15 Mar 22
Utility
Transmission Mechanism and Fluid Control Valve
22 Sep 22
A transmission mechanism includes: an intermediate shaft secured to a support portion provided in a valve body of an electric throttle valve and disposed in parallel to a motor shaft and a valve shaft; and an intermediate gear rotatably disposed at the intermediate shaft, in which the intermediate gear has a first intermediate gear engaged with a motor gear secured to the motor shaft and a second intermediate gear engaged with a valve gear secured to the valve shaft, the first intermediate gear and the second intermediate gear are integrally configured to be aligned in an axial direction of the intermediate shaft, a hemispherical recessed portion recessed upward around an axial center of the intermediate shaft is formed at a lower end portion of the intermediate gear, and a projecting portion projecting upward in a hemispherical shape around the axial center of the intermediate shaft and supporting the recessed portion is formed in a surface of the support portion facing the recessed portion of the intermediate gear.
Yuuhei SANEKATA, Keigo SUZUKI, Yuusaku IDE, Hiroki OTA
Filed: 16 Mar 22