Abstract: The sensor adaptor includes a case body of which a front end is closed and a rear end is open, a cap body being engageable with the rear end of the case body, a seal member interposed between the case body and the cap body, and a fixing portion configured to fix the case body to the mounting portion. A part of the sensor is inserted into an accommodation space of the case body, and the remaining portion of the sensor is drawn out to the outside via an opening of the cap body. The seal member is disposed on a rear end side of the case body to surround the sensor. The seal member is brought into close contact with the case body and the sensor. Accordingly, a gap between the part of the sensor and the case body is sealed from an external space by the seal member.

Abstract: A ventilation component (1a) includes a valve body portion (10), a shaft portion (20), a ventilation path (15), and a gas-permeable membrane (30). The valve body portion (10) has an umbrella cloth shape. The shaft portion (20) extends in a normal direction of the valve body portion (10). The shaft portion (20) supports the valve body portion (10). The ventilation path (15) extends through the shaft portion (20) in the normal direction of the valve body portion (10). The gas-permeable membrane (30) closes the ventilation path (15) such that ventilation can occur. In a state where the ventilation component (1a) is fixed to a housing (50), the valve body portion (10) covers a peripheral opening (55) and an outer circumferential portion of the valve body portion (10) is in contact with an outer surface (52a) of the housing (50) such that a flow of gas passing through the peripheral opening (55) is blocked.

Abstract: The ventilation unit includes: an explosion-proof valve that permits gas to flow from the inside of a housing to the outside of the housing when internal pressure within the housing is higher than external pressure outside the housing by a value larger than or equal to a predetermined value, and is capable of returning to block the flow of the gas from the inside of the housing to the outside of the housing; and a ventilation membrane that permits gas to flow between the inside and the outside of the housing even when a pressure difference between the internal pressure and the external pressure is less than the predetermined value.

Abstract: Provided is a proximity sensor that can limit degradation in voltage resistance. A proximity sensor includes: a housing; a coil portion that is accommodated in one end of the housing; a clamp portion that is connected to the other end of the housing; a substrate which is accommodated inside the housing and the clamp portion, and on which a circuit electrically connected to the coil portion is mounted; a shield that covers a part of the substrate located on a side of the housing; and a resin portion which is arranged inside the housing and the clamp portion, and covers at least a part of the substrate. The shield has an extension portion which extends to an inside of the clamp portion and covers at least a part of the circuit located inside the clamp portion.

Abstract: The ventilation unit includes: an explosion-proof valve that permits gas to flow from the inside of a housing to the outside of the housing when internal pressure within the housing is higher than external pressure outside the housing by a value larger than or equal to a predetermined value, and is capable of returning to block the flow of the gas from the inside of the housing to the outside of the housing; and a ventilation membrane that permits gas to flow between the inside and the outside of the housing even when a pressure difference between the internal pressure and the external pressure is less than the predetermined value.

Abstract: This sensor includes: a housing 10 which houses an electronic component in the internal space; a detection unit 40 which has a coil 42 and a core 41 that houses the coil 42 and which is arranged on the end side in the internal space; a substrate 30 which is arranged more inside the internal space than the detection unit 40 and on which a circuit electrically connected to the coil 42 is provided; a first shield 451 at least one portion of which is arranged further on the end side in the internal space than the detection unit 40 and which suppresses the penetration of noise from outside of the housing 10; and a spacer 51 which is positioned between the first shield 451 and the detection unit 40 and which separates the surfaces of the first shield 451 and the detection unit 40 that face each other.

Abstract: A ventilation component (1) includes a gas-permeable membrane (10), a ventilation valve (20), and a structural member (30). The ventilation component (1) is to be attached to a housing (2) having a ventilation opening (5). The ventilation valve (20) includes an elastic body, and is opened and closed by elastic deformation of the elastic body. The structural member (30) supports the gas-permeable membrane (10) and the ventilation valve (20). In an attached state where the ventilation component (1) is attached to the housing (2), ventilation between an inside of the housing (2) and an outside of the housing (2) is carried out via the gas-permeable membrane (10), and the ventilation valve (20) is opened to discharge a gas inside the housing 2 to the outside of the housing 2 when a difference between a pressure inside the housing (2) and a pressure outside the housing (2) is equal to or higher than a predetermined value.

Abstract: A ventilation component (1a) is to be attached to a housing (2) at a ventilation opening (5). The ventilation component (1a) includes a gas-permeable membrane (10), a ventilation valve (20), and a structural member (30). The structural member (30) has an inner space (40), and at least one of a first ventilation path (51) and a second ventilation paths (52). The inner space (40) is a space accommodating the gas-permeable membrane (10) and/or the ventilation valve (20). The first ventilation path (51) allows the inner space (40) to communicate with an external space of the ventilation component (1a). The first ventilation path (51) has a first inner opening (51i) and a first outer opening (51e), and the first inner opening (51i) faces the first outer opening (51e). The first inner opening (51i) and the first outer opening (51e) are present along a plane parallel to an outer surface (2s) of the housing.

Abstract: Provided is a method of manufacturing a sensor. The sensor has a casing having an opening portion, a clamp having a recessed part on its outer periphery and having one end inserted into the opening portion, and a sealing ring attached to the recessed part and disposed between the casing and the clamp. The method includes using a first divided mold to form a first component of the clamp, the first component including a main body portion and a first part located at one end side of the main body portion and forming a part of the recessed part. The first divided mold is divided so that a dividing surface intersects the main body portion and separates in an axial direction of the main body portion.

Abstract: A ventilation assembly of the present disclosure includes: an internal member being a tubular body having an opening at a first end portion and an opening at a second end portion; a gas-permeable membrane covering the opening at the first end portion of the internal member; and an external member being a tubular body having a bottom, the external member being joined to the internal member with the internal member inserted in the interior of the external member from the first end portion side, wherein the ventilation assembly is to be fixed to the projection of the housing with the projection inserted in the opening at the second end portion of the internal member to make an inner peripheral surface of the internal member and an outer peripheral surface of the projection abut each other, the ventilation assembly has a second space serving as a ventilation path connecting the gas-permeable membrane and the outside of the ventilation assembly in at least one selected from the inside of the internal member, the i

Abstract: This proximity sensor includes: a cylindrical housing having an opening at one end in the axial direction; a detection part housed at the other end of the housing and detecting the presence or absence of a detection target contactlessly; a substrate housed in the housing and mounted with a control circuit for controlling the detection part; a detection part shield preventing external noise from entering the detection part and including a first face part adhered to the front surface on the other side of the detection part, and a side face part configured from multiple side pieces connected to the outer periphery of the first face part and bent from the first face part to cover the side surface of the detection part; and a resin provided around the detection part and the detection part shield.

Abstract: A sensor is provided with a cylindrical-shaped housing which has an opening formed at one end, an electronic component which is housed in the housing, a cylindrical-shaped clamp of which one end is inserted into the housing from the opening, and a sealing resin which seals the gap between the inner wall of the housing and the outer wall of the clamp. On the outer wall, the clamp has a rib which rises towards the inner wall of the housing. The rib includes an apex and a sloped surface which extends from the apex towards another end of the clamp and which intersects the outer wall of the clamp. The sealing resin, which exudes from between the inner wall of the housing and the apex and which is positioned on the sloped surface, has a recess resulting from surface tension.

Abstract: An oil pump includes: an outer rotor including internal teeth; an inner rotor including external teeth meshing with the internal teeth; a drive shaft connected to the inner rotor and configured to rotationally drive the inner rotor; and a housing including a pump chamber accommodating the inner and outer rotors. In the housing, a suction port and a discharge port are formed. The discharge port includes a first discharge port and a second discharge port. The suction port includes first and second suction ports respectively disposed on the same side as the first and second discharge ports. A pressure reducing oil passage communicating with the second discharge port and configured to reduce pressure of oil in the second discharge port is formed on the side of the second discharge port.

Abstract: A ventilation unit with: a ventilation body that allows gas to circulate between the outside and inside of a housing; a support member that supports the body attached to an opening portion formed in the housing; and a sealing member between the support member and the outer surface around the housing opening portion and seals a gap between the support member and the housing, wherein the unit performs ventilation between the outside and inside of the housing through the body while attached to the opening portion of the housing. The support member includes: an attachment portion to which the sealing member is attached; and a wall portion around the attachment portion, wherein, in a state where the support member is attached between the support member and the housing, a distance between the support member and an external surface in the support member wall portion is 5.0 mm or more.

Abstract: A flow path for liquid chromatography, which analyzes hemoglobin within a blood sample, is subjected to a surface treatment with a liquid in which is dissolved a surface treating agent having a molecular weight of 200 or less and having two or more chemical structures in each of which a hydroxy group (—OH) and an oxo group (?O) are respectively bonded directly to one phosphor (P) atom.

Abstract: A filter device includes a first filter, a first retaining member that has a hollow shape, the first filter being fitted inside the first retaining member, a second filter that has a smaller pore size than the first filter, a second retaining member that is disposed downstream of the first filter and that has a hollow shape, the second filter being fitted inside the second retaining member, and a spacer that has a hollow shape, that is disposed between the first retaining member and the second retaining member, that maintains a non-contact state between the first filter and the second filter, and that includes a first contact portion contacting the first filter.