Abstract: Provided is an electric throttle valve 10 including: a valve body 16 including an accommodating space 19 therein and having an opening 25 that faces the accommodating space 19; a cover 11 secured to the valve body and covering the opening 25; and an electric motor 12 and a sensor 60 installed in the accommodating space 19, the cover 11 including a connector 30 for connection of a wiring between the electric motor 12 or the sensor 60 and outside, the connector 30 being installed in a desired direction with respect to the cover 11 and secured to the cover 11.

Abstract: A torsion coil spring biasing and rotating a drive gear of a valve device in one direction and defining a rotation position of a valve body when an electric motor is not operating is included, one end of the torsion coil spring is locked at any one of two locking portions provided at the drive gear, the other end is locked at a casing rotatably supporting the valve shaft, the drive gear is a plate-shaped members including two locking portions and formed linearly symmetrically, the locking portions are formed into hook shapes including extending portions extending in a direction away from an inner surface of the drive gear and distal end portions projecting along the inner surface from distal ends of the extending portions. The drive gear includes openings at positions at which the openings overlap the distal end portions in a view in a direction of the axial line.

Abstract: A valve device includes a drive gear made of a resin at one end of the valve shaft and includes a detection target of an inductive sensor in the drive gear, the drive gear includes a lever member made of metal and integrated along with the detection target through insert molding in a state where a center portion is exposed in one side surface, an exposure portion of the lever member in the drive gear and the end of the valve shaft are caused to abut each other and rear surfaces of the abutting portions are fixed through laser welding through the outer hole to configure a valve shaft unit, and the lever member is provided with an arc hole extending in a circumferential direction on a radially outer side of the position of the welding with the end of the valve shaft.

Abstract: In a valve device including: a plate-shaped drive gear provided at an end of a valve shaft made of metal; and, at the drive gear, a detection target of an inductive sensor detecting a rotation angle of the valve shaft, the drive gear has a lever member made of metal and integrated through insert molding in which a part thereof is exposed in the inner surface, the detection target is integrated along with the lever member through the insert molding on a side of the outer surface of the drive gear, and an exposure portion of the lever member at the drive gear including the lever member and the detection target and the end of the valve shaft are caused to abut each other, and a rear side of the abutting part is laser-welded from the side of an outer hole and is fixed thereby to configure a shaft unit.

Abstract: 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. Through this configuration, the reduction in the number of components, the reduction in cost and weight, the simplification of structure, and other effects can be achieved.

Abstract: A valve device includes a body that defines a passage through which a fluid flows, a shaft that is movably supported with respect to the body and defines an axis, a valve element that is fixed to the shaft to open and close the passage; and a cylindrical bearing bush that movably supports the shaft with respect to the body, in which the bearing bush includes a mixed region in which a metal core material and expanded graphite are mixed with each other, and a first expanded graphite region made of only the expanded graphite such that the metal core material is not exposed in an inner circumferential side region in contact with an outer circumferential surface of the shaft.

Abstract: 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. The first protruding portion and the retaining portion are formed integrally with the housing.

Abstract: A pump device includes: a rotor unit that exerts a pumping action on fluid; a housing for defining a suction port, a discharge port, and a storage chamber that stores the rotor unit; and a rotary shaft that is combined with the rotor unit and protrudes outside the housing and that rotates about a predetermined axis line. The housing includes: a bottomed cylindrical housing body integrally having a joint wall that is joined to an application object, an outer peripheral wall that defines the storage chamber in cooperation with the joint wall, and a spigot joint part that protrudes from the joint wall in the axis line direction and that is fitted to the application object; and a plate-like housing cover that is combined with the housing body in order to close the storage chamber.

Abstract: A valve device includes: a housing H, defining an upstream side passage 41a and a downstream side passage 22a through which a fluid passes, a valve accommodation chamber h1 interposed between the upstream side passage and the downstream side passage, and an opening part 41b located at a downstream end of the upstream side passage; and a cantilevered valve body 30, disposed in the valve accommodation chamber, and having a support part 32 that is elastically deformable and cantilevered and, on a free end side of the support part, a valve part 31 that is plate-shaped and opening and closing the opening part. In the valve device, the downstream side passage 22a is formed to expand in a direction along a plane 31a, 31b of the valve part in a state in which the valve part 31 is fully opened.

Abstract: The present invention provides a throttle device for an engine enabling an operation of fitting a support shaft supporting an intermediate gear into a positioning hole and an operation of causing the intermediate gear and a counterpart gear to mate with each other to be easily performed when a throttle body-side assembly and a gear cover-side assembly, which have individually been assembled, are coupled to each other.

Abstract: A valve device includes a housing and a cylindrical valve body. The housing defines: an inflow port; a first outflow port and a second outflow port which are opened apart in a circumferential direction and respectively have first and second opening widths; and an accommodation chamber. The valve body is arranged in the accommodation chamber to open and close the first and second outflow ports and includes: an internal passage; a first outflow communication port which expands in one direction in the circumferential direction continuously with a region facing the first outflow port, and has an opening width larger than the first opening width; and a second outflow communication port which expands in the other direction in the circumferential direction continuously with a region facing the second outflow port, and has an opening width larger than the second opening width.

Abstract: A rotary-type valve device includes: a tubular valve having an inner passage and opening parts opened in an outer circumferential wall from the inner passage toward an outward side in a radial direction; a housing accommodating the valve and turnably supports the valve; a tubular passage member assembled in the housing such that the passage member abuts on the outer circumferential wall of the valve and defining a radial-direction passage; and a biasing spring biasing the passage member toward the outer circumferential wall The passage member includes an abutting member abutting on the outer circumferential wall, and an intervening member having an annular pressing part intervening between the abutting member and the biasing spring and partially pressurizing the abutting member. The abutting member includes an annular sealing surface aligned with the annular pressing part in a biasing direction of the biasing spring.

Abstract: A pump device includes a housing, a pump element, and an on-off valve. The housing includes a suction passage defining a suction port at an upstream end, a discharge passage defining a discharge port at a downstream end, and a return passage returning a part of a fluid flowing through the discharge passage to midway of the suction passage. The pump element is accommodated in the housing and rotates around a predetermined axis to suck, pressurize, and discharge a fluid. The on-off valve opens and closes the return passage. In the suction passage upstream of an opening at which the return passage is opened to the suction passage, the housing includes a directional wall which directs a flow of a suction fluid sucked into the suction passage from the suction port to divert from a flow of a return fluid returned from the return passage.

Abstract: An electromagnetic actuator includes a stator, a coil for excitation, a mover, a shaft of a single outer diameter, and a buffer unit. The mover moves in a predetermined axis direction to move to an actuation position due to energization of the coil and return to a rest position due to non-energization of the coil. The shaft is fixed to the mover and exerts a driving force to outside. The buffer unit is held at the mover and positions the mover at the rest position while absorbing impact when the mover returns to the rest position. The buffer unit includes: a rod abutting against the stator at the rest position; a biasing member biasing the rod toward the stator; and a buffer member interposed between the rod and the shaft. The mover includes a fitting hole into which the shaft is fitted and a receiving part receiving the biasing member.

Abstract: 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. The internal passage includes first suction passages communicating from the inlet to a first suction port facing the first end surface of the first pump element directed to one end side; first discharge passages communicating from a first discharge port facing the first end surface to the outlet; second suction passages passing around the first pump element to communicate from the inlet to a second suction port facing the second end surface of the second pump element; and second discharge passages passing around the first pump element to communicate from a second discharge port facing the second end surface to the outlet.

Abstract: An accelerator pedal device of the present invention includes: an accelerator pedal; a hysteresis generation mechanism that generates a hysteresis in pedal effort during a depression operation and a return operation of the accelerator pedal; a reaction force addition mechanism that adds a reaction force in a direction to push back the accelerator pedal; and a control unit that controls the drive of the reaction force addition mechanism in a manner that, with a predetermined target opening degree at which the accelerator pedal is depressed as a boundary, a ratio of change in the pedal effort in an opening degree range above the target opening degree becomes relatively larger than a ratio of change in pedal effort in an opening degree range below the target opening degree.

Abstract: 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.

Abstract: 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.

Abstract: The disclosure provides a pump device capable of suppressing hydraulic amplitude and reducing noise or vibration associated with hydraulic amplitude while simplifying the structure. The pump device includes: a housing which defines a suction port, a discharge port, and an accommodation chamber; and a pump unit which is arranged in the accommodation chamber and which defines a pump chamber that expands and contracts to exert a pumping action including a suction stroke and a pressurization and discharge stroke on a fluid. The housing includes an air introduction hole that is opened to introduce air into the pump chamber at a predetermined opening timing immediately before the suction stroke is completed.

Abstract: The disclosure provides a pump device and an outboard motor equipped with the same. The pump device to be applied to an outboard motor includes a housing that has an insertion hole into which a drive shaft driven by an engine is to be inserted; and a resin cover member that is fixed to the housing to cover an outer wall surface of the housing in a region having the insertion hole. The cover member has a small-diameter insertion hole having an inner diameter smaller than the insertion hole to allow the drive shaft to be rotatably inserted thereto.