120 patents
Page 2 of 6
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
On-vehicle brushless motor device and method of manufacturing the same
31 Jan 23
To provide an on-vehicle brushless motor device capable of being downsized with respect to an axial direction of a rotor and a method of manufacturing the same.
Tadashi Kobayashi
Filed: 5 Jun 20
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
On-vehicle brushless motor device and method of manufacturing the same
13 Dec 22
To provide an on-vehicle brushless motor device capable of being downsized with respect to an axial direction of a rotor and a method of manufacturing the same.
Tadashi Kobayashi
Filed: 5 Jun 20
Utility
Intake device for multiple-cylinder engine and fuel delivery pipe for intake device
6 Dec 22
The present invention provides an intake device and a fuel delivery pipe for a multiple-cylinder engine including a transpiration gas passage or an intake air pressure collecting passage capable of reducing the number of components and improving assembly operability.
Yuta Kiku
Filed: 9 Mar 22
Utility
Transmission mechanism and fluid control valve
8 Nov 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
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
Utility
Exhaust valve device for vehicle
20 Sep 22
Provided is an exhaust valve device 1 for a vehicle in which a valve element 7 is supported in an exhaust passage 4 by a rotating shaft 5 axially supported by a valve body 3, a flexible joint member 16 is secured to an output shaft 13a of a motor unit 13 attached to the valve body 3, and a lower end of the flexible joint member 16 and an upper end of the rotating shaft 5 are coupled via a rigid joint member 15, in which the rigid joint member 15 includes: a sealing element 18 having a sealing surface 18a and arm portions 18c, the sealing surface 18a being coupled to one end of the rotating shaft 5 and sealing an axially supported portion of one end of the rotating shaft to prevent exhaust gas from leaking, the arm portions 18c being formed in a periphery of the sealing surface 18a; and a transmission element 19 having a spring groove 19a and engagement grooves 19b, the spring groove 19a being coupled to the end of the flexible joint member 16, the engagement grooves 19b being engaged with the arm portions 18c of the sealing element 18 to restrict relative rotation.
Toshiaki Ishii, Makoto Koyama, Daisuke Takayama, Naoki Tanaka
Filed: 21 Jan 21
Utility
Intake Device for Multiple-cylinder Engine and Fuel Delivery Pipe for Intake Device
15 Sep 22
The present invention provides an intake device and a fuel delivery pipe for a multiple-cylinder engine including a transpiration gas passage or an intake air pressure collecting passage capable of reducing the number of components and improving assembly operability.
Yuta KIKU
Filed: 9 Mar 22
Utility
Electromagnetic switching valve
9 Aug 22
An electromagnetic switching valve includes: a sleeve, defining a port communicating with an oil passage; a spool, reciprocally movably disposed on an axis in the sleeve, opening and closing the port; an electromagnetic actuator, including a plunger disposed on the axis and a stator; a transmission member interposed between the plunger and the spool; and an energizing spring, energizing the spool toward the plunger.
Toshiki Ogasawara, Masashi Ueda
Filed: 24 Sep 20
Utility
Permanent Magnet-embedded Motor and Pump Device
4 Aug 22
A permanent magnet-embedded motor and a pump device are provided.
Shin SUZUKI, Takeo ISHIKAWA, Kota TAKATA
Filed: 1 Dec 21
Utility
Electromagnetic switching valve
19 Jul 22
An electromagnetic switching valve includes: a sleeve, defining a port communicating with an oil passage; a spool, reciprocally movably disposed on a predetermined axis in the sleeve, opening and closing the port; an electromagnetic actuator, including a plunger disposed on the axis and a stator exerting magnetomotive force on the plunger; and a tubular transmission member, disposed on the axis to be interposed between the plunger and the spool and transmit driving force.
Toshiki Ogasawara, Masashi Ueda
Filed: 24 Sep 20
Utility
Reed valve
5 Jul 22
A reed valve 1 includes: a valve body 4; a valve seat 6 having a valve hole 3 for passage of a fluid J; a casing 8 accommodating the valve body 4; and a reed 10 including an arm part 18 having a first end portion 22 connected to the casing 8, and a valve body support part 20 connected to a second end portion 24 of the arm part 18 and supporting the valve body 4 so that the valve hole 3 can be opened and closed.
Shingo Karino, Toshiaki Fujitani, Hiroyuki Kawarai, Mitsukuni Oyama
Filed: 9 Feb 21
Utility
Control Device of Brushless DC Motor
30 Jun 22
The present invention includes a phase angle detection unit detecting a rotation of a rotor of a brushless DC motor and generating a phase angle signal switched at a timing at which a cogging torque generated with the rotation of the rotor reaches near a peak on a negative side hindering the rotation of the rotor, an inverter circuit energizing coils of respective phases of the brushless DC motor by switching elements UH, UL, VH, VL, WH, and WL according to an input of a driving signal, an energization period calculation unit calculating an energization period Tw by converting, into time, a target rotation speed set for the brushless DC motor, and a drive control unit energizing the coils sequentially by outputting the driving signal to the respective switching elements for each energization period, gradually increasing a duty of the driving signals to the switching elements at a start of each energization period, and decreasing the duty after the phase angle signal is switched.
Naoki KOBAYASHI
Filed: 22 Dec 21