摘要:
An image capturing unit for an electronic endoscope is provided with a solid-state image capturing element having multiple boding wires arranged at peripheral positions on a front surface of the solid-state image capturing element, the bonding wires extending outward, an image capturing element holding frame in which the solid-state image capturing element is held and a transparent cover glass enclosing the front surface of the solid-state image capturing element from outside, together with a tip end portion of the image capturing element holding frame. The tip end portion of the image capturing element holding frame is formed to have a tubular section, the cover glass being fitted in the tubular section and located at a position where the cover glass does not contact the bonding wires, the cover glass being air-tightly cemented to the tubular section.
摘要:
An electromagnetic actuator includes: a coil for excitation; a stator excited with different magnetic poles by energization of the coil; a rotor magnetized with the different magnetic poles in accordance with a circumferential direction, and rotated by a magnetic force generating between the rotor and the stator; and an outputting member rotated in conjunction with the rotor and outputting rotational movement of the rotor to a first blade and a second blade. The outputting member is provided with a fitting hole press-fitted onto the rotor.
摘要:
An FRP is produced using a prepreg comprising reinforcing fiber, a sheet-like reinforcing fiber substrate containing reinforcing fiber, and a matrix resin, wherein the matrix resin is impregnated into the sheet-like reinforcing fiber substrate and also covers one surface of the sheet-like reinforcing fiber substrate, and the matrix resin impregnation ratio is within a range of 35% to 95%; a prepreg comprising reinforcing fiber, a sheet-like reinforcing fiber substrate containing reinforcing fiber, and a matrix resin, wherein the matrix resin exists on both surfaces of the sheet-like reinforcing fiber substrate, and the portion inside the sheet-like reinforcing fiber substrate into which the matrix resin has not been impregnated is continuous; or a prepreg comprising reinforcing fiber, a sheet-like reinforcing fiber substrate containing reinforcing fiber, and a matrix resin, wherein at least one surface exhibits a sea-and-island-type pattern comprising resin-impregnated portions (island portions) where the matrix resin is present at the surface and fiber portions (sea portions) where the matrix resin is not present at the surface, the surface coverage ratio of the matrix resin on those surfaces with said a sea-and-island-type pattern is within a range of 3% to 80%, and the weave intersection coverage ratio for the island portions, represented by a formula (1) shown below, is at least 40%, displays excellent external appearance, with no internal voids or surface pinholes, even when molded is conducted using only vacuum pressure. Island portions weave intersection coverage ratio (%)=(T/Y)×100 (1) (wherein, T represents a number of island portions that cover weave intersections, and Y represents a number of weave intersections within said reinforcing fiber woven fabric on said surface with said sea-and-island-type pattern).
摘要:
An epoxy resin composition suitably used for a prepreg which can complete curing in a short time even at a low temperature and secure a sufficient usable period under preservation at room temperature, in comparison with conventional epoxy resin compositions. An epoxy resin composition comprising at least one of an epoxy resin, an amine compound having at least one sulfur atom in the molecule thereof, and a reaction product of an epoxy resin and an amine compound having at least one sulfur atom in the molecule thereof, and an amine compound having at least one sulfur atom in the molecule thereof, and a urea compound and a dicyandiamide, wherein each of the contents of the sulfur atom and the urea compound in the epoxy resin composition is respectively 0.2 to 7% by mass and 1 to 15% by mass.
摘要:
A board mounting thereon a measuring chip is fixed to a body in close contact relation to form a main passage and a sensor passage inside of the body, while a hot wire for a temp. sensor and a hot wire for a flow velocity sensor, both being provided on the measuring chip, are bridged across the sensor passage, to measure the flow rate of a gas flowing in the inside of the body by means of an electric circuit on the back side of the board. In a state where an electrode for a hot wire on the measuring chip is joined to an electrode for the electric circuit on the board, the temp. sensor hot wire and the flow velocity sensor hot wire both provided on the measuring chip are connected to the electric circuit on the back side of the board.
摘要:
A laminated heat exchanger including an inlet header having refrigerant passages therein through which a refrigerant to be cooled is fed, an outlet header having refrigerant passages therein through which the cooled refrigerant is discharged, a radiating laminated structure located between the inlet header and the outlet header, the radiating laminated structure being formed by alternately arranging a plurality of refrigerant tubes and fins in layers, each of the refrigerant tubes having a tank section for storing a refrigerant and a passage section in which the refrigerant stored in the tank section is circulated, and a distributing member located in at least one of the refrigerant passages of the inlet header and the outlet header and used to regulate a flow of the refrigerant in the tank section.
摘要:
An average calculating section calculates an average of nine pixel values of each pixel block. With an assumption that the average value is expressed by 9 bits as a.sub.1 a.sub.2 a.sub.3 a.sub.4 a.sub.5 a.sub.6 a.sub.7 a.sub.8 a.sub.9 (a.sub.k : 1-bit value), a data allocating section allocates the respective bits a.sub.1 -a.sub.9 to 3.times.3 bits of each memory block of a two-value data storing section. After the nine bits a.sub.1 -a.sub.9 are read out from the two-value data storing section, a data reconstructing section combines those nine bits into the original average value, and repeatedly copies the average value to form a 3.times.3 pixel block.
摘要:
Provided is an exhaust pump that comprises connecting opening portions that can be deburred easily and that are suitable for enhancing gas evacuation performance. A rotor (a cylindrical rotating member) of an exhaust pump comprises a plate body that has a ring-like projection on a reverse side outer peripheral section of the rotor, and a cylindrical body that is fitted into an outer periphery of the ring-like projection. Connecting opening portions of the exhaust pump comprise holes that are formed by notching an outer peripheral section of the plate body and an outer peripheral section of the ring-like projection, and a portion (specifically, a hole) of the holes that opens in the form of a horizontal hole is covered by an outer-peripheral upper end portion of the cylindrical body.
摘要:
There is provided a metal gasket that is at low cost yet with high sealing performance. A metal gasket 1 includes at least one metal gasket substrate 2 having a circumferential bead 14 formed circumferentially around a cylinder hole 6. The circumferential bead 14 includes a first bead portion 20 formed of a pair of inclined walls 20a, 20b each extending from the gasket substrate to a tip end, the tip ends of the pair of the inclined walls being spaced from each other, and a second bead portion 21 extending from the tip ends of the inclined walls 20a, 20b in a direction opposite to the protruding direction of the inclined walls. The following relationships are satisfied: Fh1>Fh2, and W1>W2, where Fh1 is a height of the first bead portion 20, Fh2 is a height of the second bead portion 21, W1 is a half of a width of the circumferential bead 14, and W2 is a width of the second bead portion 21.
摘要:
There is provided a metal gasket that is at low cost yet with high sealing performance. A metal gasket 1 includes at least one metal gasket substrate 2 having a circumferential bead 14 formed circumferentially around a cylinder hole 6. The circumferential bead 14 includes a first bead portion 20 formed of a pair of inclined walls 20a, 20b each extending from the gasket substrate to a tip end, the tip ends of the pair of the inclined walls being spaced from each other, and a second bead portion 21 extending from the tip ends of the inclined walls 20a, 20b in a direction opposite to the protruding direction of the inclined walls. The following relationships are satisfied: Fh1>Fh2, and W1>W2, where Fh1 is a height of the first bead portion 20, Fh2 is a height of the second bead portion 21, W1 is a half of a width of the circumferential bead 14, and W2 is a width of the second bead portion 21.