120 patents
Page 4 of 6
Utility
Pressure Sensor
28 Oct 21
Provided is a pressure sensor capable of curbing the influence of heat and securing prescribed sensor precision.
Satoshi KANETA, Katsuhiko FUKUI
Filed: 10 Mar 21
Utility
Pressure Sensor
21 Oct 21
A pressure sensor of the present invention comprises a cylindrical housing (10, 210); a diaphragm (30) which is fixed to the front end of the housing and exposed to a pressure medium; a pressure measuring member (70, 270) comprising a first electrode (71), a piezoelectric element (72) and a second electrode (73) laminated in sequence inside the housing; a first conductor (91, 210) in a long shape which is electrically connected to the first electrode; a second conductor (92, 290) in a long shape which is electrically connected to the second electrode; and a restricting member (100, 300) having insulation which is arranged inside the housing so as to restrict relative movement between the first conductor and the second conductor According to this configuration, it is possible to suppress or prevent variations in parasitic capacitance so as to suppress or prevent the occurrence of noise.
Tomoya SATO, Katsuhiko FUKUI
Filed: 10 Jan 19
Utility
Throttle device
19 Oct 21
Provided is a throttle device including a total of two throttle units in two cylinders in an engine, each of the throttle units having a throttle shaft, throttle valves, and a motor driving and rotating the throttle shaft, in which a return spring provided in a first throttle unit and a return spring provided in a second throttle unit out of the two throttle units are components of the same type and have mutually different installation forms in the throttle units such that biasing torques at the same degree of opening of the throttle valves differ from each other, thereby enabling performances of responding to a change in rotation speed to be different from each other.
Isamu Tanaka
Filed: 18 Nov 20
Utility
Connection unit, electric motor, and valve timing change device
12 Oct 21
A connection unit connected to a rotation body by fitting to transmit a rotation force includes a rotation shaft, having a width across flat portion; and a core member, having fitting portions fitted to the rotation body in a direction perpendicular to the width across flat portion and an annular portion that the width across flat portion are slidably fitted, and held on the rotation shaft to be capable of moving relatively in two dimensions along the width across flat portion while rotating integrally with the rotation shaft.
Takeshi Ono, Kouji Sugano, Yuuhei Sanekata, Hiroki Ota, Toshinori Inafune
Filed: 16 Oct 19
Utility
Throttle device
12 Oct 21
Provided is a throttle device including a total of two throttle units in an engine for each two cylinders, each of the throttle units having a unit body having intake air passages corresponding to the four cylinders of the engine, a throttle shaft rotatably supported by the unit body, throttle valves secured to the throttle shaft to open and close the intake air passages for the cylinders, and a motor driving and rotating the throttle shaft, in which a first motor provided in a first throttle unit and a second motor provided in a second throttle unit out of the two throttle units have mutually different responsivities to a change in rotation speed.
Isamu Tanaka
Filed: 18 Nov 20
Utility
Reed Valve
7 Oct 21
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
Electronically Controlled Throttle Device for Engine
23 Sep 21
Provided is an electronically controlled throttle device for an engine driving to open and close a throttle valve (8) of a valve body (3) to which rotation of a motor (15) is transmitted from a driven gear (14) via a throttle shaft (6), and disposing a substrate (22) on which an excitation conductor (23) and a signal detection conductor (24) are arranged to face an exciting conductor (21) rotating together with the throttle shaft (6).
Yoshinobu KOMOTO
Filed: 23 Aug 18
Utility
Combustion abnormality detecting device and non-transitory computer-readable storage medium
14 Sep 21
The disclosure provides a combustion abnormality detecting device, a combustion abnormality detecting method, and a non-transitory computer-readable storage medium, a misfire detection accuracy is increased by increasing a piezoelectric detection accuracy.
Satoru Fujisaki, Katsuhiko Fukui
Filed: 6 Mar 20
Utility
Phase Changing Unit and Valve Timing Changing Device
2 Sep 21
A phase changing unit of the present invention changes the relative rotational phase of a first rotating body and a second rotating body, and includes: a rotating member to which an external drive shaft is connected and to which a rotational driving force is applied; and a relative rotation mechanism that generates a relative rotation between a first rotating body and a second rotating body by the rotation of the rotating member.
Takeshi ONO, Kouji SUGANO, Yuuhei SANEKATA, Hiroki OTA, Toshinori INAFUNE
Filed: 23 Aug 19
Utility
Exhaust valve device for vehicle
31 Aug 21
An exhaust valve device for a vehicle includes: a valve element 7 axially supported by a rotating shaft 5 in a bore 4 of a valve body 3 produced through casting; sealing projections 21 and 22 integrally formed on an inner circumferential surface of the bore 4 to follow one side portion 7a and the other side portion 7b of an outer circumferential edge of the valve element 7 at a fully closed position; sealing surfaces 21a and 22a of the sealing projections 21 and 22, the right side portion 7a and the left side portion 7b of the valve element 7 at the fully closed position abutting respectively on the sealing surfaces; R-shaped corners 21b and 22b formed between the inner circumferential surface of the bore 4 and the sealing surfaces 21a and 22a; and diameter enlarged portions 25 formed in the inner circumferential surface of the bore 4 to enlarge the bore 4 that are adjacent respectively to the sealing surfaces 21a and 22a of the sealing projections 21 and 22 and correspond to lengths of the sealing surfaces 21a and 22a, and the valve element 7 has an outer shape enlarged to correspond to a height of the corners 21b and 22b on an outer circumferential side with formation of the diameter enlarged portions 25 at the fully closed position.
Toshiaki Ishii, Makoto Koyama, Daisuke Takayama, Naoki Tanaka
Filed: 21 Jan 21
Utility
Throttle device
31 Aug 21
A throttle device includes a default mechanism.
Sho Moriya, Keigo Suzuki, Masaki Hiei
Filed: 10 Jan 19
Utility
Valve device
31 Aug 21
A check valve for opening/closing intake-side communication passages through which fuel passes, includes a pump body including a partition wall with the communication passages formed therein, a valve body supported by the partition wall, made of a flexible material, and formed into a plate shape, and a valve seat provided around opening portions of the communication passages on the partition wall and including a seat surface to abut against the valve body when the valve is closed, the seat surface including a groove having an opening-portion-side wall surface lying on an upstream side and an outer-side wall surface lying on a downstream side, the upstream and downstream sides being sides in a direction in which fluid passes between the valve body and the seat surface when the valve is opened, the outer-side wall surface having a gentler slope than a slope of the opening-portion-side wall surface.
Norio Takehana
Filed: 17 Oct 18
Utility
Exhaust Valve Device for Vehicle
19 Aug 21
Provided is an exhaust valve device 1 for a vehicle in which a valve element 7 is supported to be able to be opened and closed in an exhaust passage 4 by a rotating shaft 5 axially supported by a valve body 3, a motor unit 13 is attached to the valve body 3 via a thermal insulation bracket 11, and an output shaft 13a of the motor unit 13 is coupled to the rotating shaft 5, the exhaust valve device 1 including: an outer circumferential, guide surface 10a provided at the valve body 3 and having an arc shape around an axial line C of the rotating shaft 5 at the center; and an inner circumferential guide surface 12a provided at the thermal insulation bracket 11 and brought into slide contact with the outer circumferential guide surface 10a to guide the thermal insulation bracket 11 to be secured at a prescribed securing angle to the valve body 3 around the axial line C of the rotating shaft 5 at the center.
Toshiaki ISHII, Makoto KOYAMA, Daisuke TAKAYAMA, Naoki TANAKA
Filed: 21 Jan 21
Utility
Exhaust Valve Device for Vehicle
19 Aug 21
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
Exhaust Valve Device for Vehicle
19 Aug 21
An exhaust valve device for a vehicle includes: a valve element 7 axially supported by a rotating shaft 5 in a bore 4 of a valve body 3 produced through casting; sealing projections 21 and 22 integrally formed on an inner circumferential surface of the bore 4 to follow one side portion 7a and the other side portion 7b of an outer circumferential edge of the valve element 7 at a fully closed position; sealing surfaces 21a and 22a of the sealing projections 21 and 22, the right side portion 7a and the left side portion 7b of the valve element 7 at the fully closed position abutting respectively on the sealing surfaces; R-shaped corners 21b and 22b formed between the inner circumferential surface of the bore 4 and the sealing surfaces 21a and 22a; and diameter enlarged portions 25 formed in the inner circumferential surface of the bore 4 to enlarge the bore 4 that are adjacent respectively to the sealing surfaces 21a and 22a of the sealing projections 21 and 22 and correspond to lengths of the sealing surfaces 21a and 22a, and the valve element 7 has an outer shape enlarged to correspond to a height of the corners 21b and 22b on an outer circumferential side with formation of the diameter enlarged portions 25 at the fully closed position.
Toshiaki ISHII, Makoto KOYAMA, Daisuke TAKAYAMA, Naoki TANAKA
Filed: 21 Jan 21
Utility
Detection Device
8 Jul 21
A detection device of the present invention is provided with: a housing; a circuit substrate disposed in the housing; a sensor which is electrically connected to the circuit substrate and detects information of an object to be measured; a connector terminal which is formed integrally with the circuit substrate and electrically connected to an external terminal; and a tubular connector which is formed integrally with the housing, surrounds a periphery of the connector terminal, and is fitted in the external connector.
Ichiro TSUJI, Masaki HIEI
Filed: 13 Jul 18
Utility
Electromagnetic valve
6 Jul 21
To provide an electromagnetic valve with less parts count of components for opening-closing operation.
Takahiko Kimura
Filed: 10 Jul 19
Utility
Throttle Device
10 Jun 21
Provided is a throttle device including a total of two throttle units in each two cylinders in an engine 1, each of the throttle units having a unit body having intake air passages corresponding to four cylinders of the engine, a throttle shaft rotatably supported by the unit body, throttle valves secured to the throttle shaft to open and close the intake air passages for the cylinders, a motor, and a deceleration mechanism decelerating rotation of a drive shaft of the motor and transmitting the decelerated rotation to the throttle shaft, in which a deceleration ratio of the deceleration mechanism provided in a first throttle unit and a deceleration ratio of the deceleration mechanism provided in a second throttle unit out of the two throttle units are different from each other.
Isamu TANAKA
Filed: 18 Nov 20
Utility
Throttle Device
10 Jun 21
Provided is a throttle device including a total of two throttle units in an engine for each two cylinders, each of the throttle units having a unit body having intake air passages corresponding to the four cylinders of the engine, a throttle shaft rotatably supported by the unit body, throttle valves secured to the throttle shaft to open and close the intake air passages for the cylinders, and a motor driving and rotating the throttle shaft, in which a first motor provided in a first throttle unit and a second motor provided in a second throttle unit out of the two throttle units have mutually different responsivities to a change in rotation speed.
Isamu TANAKA
Filed: 18 Nov 20
Utility
Throttle Device
10 Jun 21
Provided is a throttle device including a total of two throttle units in two cylinders in an engine, each of the throttle units having a throttle shaft, throttle valves, and a motor driving and rotating the throttle shaft, in which a return spring provided in a first throttle unit and a return spring provided in a second throttle unit out of the two throttle units are components of the same type and have mutually different installation forms in the throttle units such that biasing torques at the same degree of opening of the throttle valves differ from each other, thereby enabling performances of responding to a change in rotation speed to be different from each other.
Isamu TANAKA
Filed: 18 Nov 20