Abstract: A first portion of an insulator is provided on a first region of an end surface of a tooth. A second portion of the insulator is provided on a second region of the end surface of the tooth so as to be separated from the first portion in a circumferential direction. A third portion of the insulator is connected to fourth side ends of the first portion and the second portion in a radial direction. A coil includes a crossing portion in a coil end. A stator includes an insert body in a housing space. The insert is made of a material having a higher thermal conductivity than a material forming the insulator.

Abstract: A first portion of an insulator is provided on a first region of an end surface of a tooth. A second portion of the insulator is provided on a second region of the end surface of the tooth so as to be separated from the first portion in a circumferential direction. A third portion of the insulator is connected to fourth side ends of the first portion and the second portion in a radial direction. A coil includes a crossing portion in a coil end. A stator includes an insert body in a housing space. The insert is made of a material having a higher thermal conductivity than a material forming the insulator.

Abstract: An exposing device includes a plurality of light emitting elements, a substrate to which the plurality of light emitting elements are mounted, an optical system that focuses lights emitted by the plurality of light emitting elements, and a holder that holds the optical system. The holder has a substrate abutting surface that abuts against the substrate. The holder includes a base material portion made of metal, and a substrate abutting portion formed integrally with the base material portion. The substrate abutting portion is made of resin having electrical insulation property. The surface abutting surface is formed on the surface abutting portion.

Abstract: An endless track link that is able to reduce stress concentrations and to improve efficiency of an assembling process of the endless track link is detailed. A stress reinforcing part is formed in the region in which stress concentrations are generated in a window area. The reinforcing part extends in a direction apart from a track shoe and includes an extended part of a through-hole into which a track shoe connecting bolt is inserted. A female thread for engaging with the track shoe connecting bolt is formed at the extended part of the through-hole.

Abstract: An exposing device includes a plurality of light emitting elements, a substrate to which the plurality of light emitting elements are mounted, an optical system that focuses lights emitted by the plurality of light emitting elements, and a holder that holds the optical system. The holder has a substrate abutting surface that abuts against the substrate. The holder includes a base material portion made of metal, and a substrate abutting portion formed integrally with the base material portion. The substrate abutting portion is made of resin having electrical insulation property. The surface abutting surface is formed on the surface abutting portion.

Abstract: An object of the present invention is to provide an endless track link being able to reduce stress concentrations and to improve efficiency of an assembling process of the endless track link. The present invention is characterized in that: a reinforcing part (7) is formed in the region in which concentrates are generated in a window area (5); the reinforcing part (7) extends in a direction apart from a track shoe and includes an extended part of a through-hole (a plain through-hole 8 having a smooth inner surface) into which a track shoe connecting bolt is inserted; and a female thread (9) for engaging with the track shoe connecting bolt is formed at the extended part of the through-hole (8).

Abstract: A main bearing case has a bearing holder for holding a bearing so as to support a crankshaft, and a crankcase mounting section at which it is joined to a crankcase. Rib walls are provided so as to surround the bearing holder between the bearing holder and the crankcase mounting section. The rib walls are formed in a side of the crankcase, and in a neighborhood of each inner side face of the bearing holder and the crankcase mounting section. These rib walls receive a force exerted in a radial direction from the crankshaft. Thereby, an improvement of rigidity of the main bearing case can be achieved, and also the lubrication to a valve-operating system can be always ensured by preventing an oil surface from lowering even when an engine is located with inclination.

Abstract: A scraper is provided in a large end portion of a connecting rod in an inclined type of overhead camshaft engine to lubricate a timing system by dipping a lubricating oil stored in a lower portion of a crank case up. The scraper includes a bottom wall and a side wall set up on the bottom wall, and have a substantially L-shaped cross-section. An angle between the bottom wall and the side wall is set in a range of 60° to 90°. Thus, the droplets of the oil can be splashed to the side direction of scraper also in three-dimensional inclined direction, so that oil can be securely supplied to and lubricate the timing system which is offset from the scraper in a longitudinal direction of the crankshaft.

Abstract: A ceiling surface of a rocker cover mounted on a top of a cylinder head has an oil guide groove and an oil dripping portion. The oil guide groove extends along a rotation direction of a chain and faces the chain for guiding lubricating oil droplets separated from the chain into a single flow in a certain direction. The oil dripping portion is continuous with the oil guide groove and protruding toward a valve-operating device for dripping the lubricating oil guided by the oil guide groove onto the valve-operating device. Oil droplets thrown off from the chain are collected by the oil guide groove and dripped onto the valve-operating device via the oil dripping portion. Therefore, it can effectively supply the oil to a position where the valve-operating cam slidably contacts with the slipper, thereby improving the frictional resistance of the valve-operating device.

Abstract: A main bearing case has a bearing holder for holding a bearing so as to support a crankshaft, and a crankcase mounting section at which it is joined to a crankcase. Rib walls are provided so as to surround the bearing holder between the bearing holder and the crankcase mounting section. The rib walls are formed in a side of the crankcase, and in a neighborhood of each inner side face of the bearing holder and the crankcase mounting section. These rib walls receive a force exerted in a radial direction from the crankshaft. Thereby, an improvement of rigidity of the main bearing case can be achieved, and also the lubrication to a valve-operating system can be always ensured by preventing an oil surface from lowering even when an engine is located with inclination.

Abstract: A scraper is provided in a large end portion of a connecting rod in an inclined type of overhead camshaft engine to lubricate a timing system by dipping a lubricating oil stored in a lower portion of a crank case up. The scraper includes a bottom wall and a side wall set up on the bottom wall, and have a substantially L-shaped cross-section. An angle between the bottom wall and the side wall is set in a range of 60° to 90°. Thus, the droplets of the oil can be splashed to the side direction of scraper also in three-dimensional inclined direction, so that oil can be securely supplied to and lubricate the timing system which is offsetted from the scraper in a longitudinal direction of the crankshaft.

Abstract: A ceiling surface of a rocker cover mounted on a top of a cylinder head has an oil guide groove and an oil dripping portion. The oil guide groove extends along a rotation direction of a chain and faces the chain for guiding lubricating oil droplets separated from the chain into a single flow in a certain direction. The oil dripping portion is continuous with the oil guide groove and protruding toward a valve-operating device for dripping the lubricating oil guided by the oil guide groove onto the valve-operating device. Oil droplets thrown off from the chain are collected by the oil guide groove and dripped onto the valve-operating device via the oil dripping portion. Therefore, it can effectively supply the oil to a position where the valve-operating cam slidably contacts with the slipper, thereby improving the frictional resistance of the valve-operating device.

Abstract: A piston ring combination including at least one compression ring and at least one oil ring. If a plurality of compression rings are provided, an outer peripheral surface of at least a top ring is formed with a first ion plating layer. The oil ring has a pair of side rails whose outer peripheral surfaces are formed with second ion plating layers. These layers are formed of Cr—N mixture. The first ion plating layer has a porous structure with a porosity ranging from 3 to 10% and a hardness ranging from 1000 to 1500 Hv. The second ion plating layer has a dense structure with a porosity ranging from 0 to 3% and a hardness ranging from 1800 to 2200 Hv.

Abstract: A piston ring combination including at least one compression ring and at least one oil ring. If a plurality of compression rings are provided, an outer peripheral surface of at least a top ring is formed with a first ion plating layer. The oil ring has a pair of side rails whose outer peripheral surfaces are formed with second ion plating layers. These layers are formed of Cr-N mixture. The first ion plating layer has a porous structure with a porosity ranging from 3 to 10% and a hardness ranging from 1000 to 1500 Hv. The second ion plating layer has a dense structure with a porosity ranging from 0 to 3% and a hardness ranging from 1800 to 2200 Hv.

Abstract: A two-dimensional colorimeter focuses light through a beam splitter onto a rotary filter so that a first light receiving element can receive light from multiple points on a sample. A rotating filter can provide multiple measurements based upon different wavelengths of light. A portion of the light from the beam splitter also contacts a spectral sensor which separates the light from a particular point into primary wavelength elements which are converted into electrical signals. Based upon these primary wavelength elements, the first signals from the light receiving element are corrected. As a result, the measurement of chromaticity of multiple points on a sample can be performed accurately using a device of simple construction.

Abstract: An optical density detector which comprises a first light source for emitting a first light which belongs to a wavelength region in which the first light is hardly absorbed by a specific material contained in a sample, a second light source for emitting a second light which belongs to a wavelength region in which the second light is absorbed, substantially as compared with the first light, by the specific material, wherein a peak-wavelength of the second light is shifted by change of a temperature and change of an absorption of the specific material caused by the peak-wavelength shift is characteristic of a linear equation with a gentle grade, light receiving device for measuring a quantity of the first and the second lights which are transmitted through the sample, an arithmetic unit for calculating difference of absorbance between the first light and the second light of which both change depending on the density of the specific material, a temperature measuring device for measuring the temperature of the fi

Abstract: An improved oximeter device for the calculation of oxygen saturation in arterial blood is provided. A pair of LED's are positioned to transmit red and infrared light through tissue containing the blood. A photo electric converter is provided to receive the transmitted light and convert it into a electrical signals. The probe can store data directed to various characteristics of the LED's, such as the primary wavelength and a secondary wavelength of the LED and an indication of the amount of crosstalk that can occur in the signals. The correction of any errors resulting from crosstalk plus the calculation of oxygen saturation depending on the various characteristics of the LED's can be effectuated.

Abstract: Herein disclosed is a dual-tube heat pipe type heat exchanger comprising a heat pipe confined with a working fluid for transferring a heat as a latent heat by repeating evaporations and condensations. The heat pipe includes an outer tube which is disposed within a hot fluid such that its axis is generally horizontal. Further included is an inner tube which is inserted in the outer tube and radially offset upward to substantially contact with the top portion of the inner face of the outer tube and to confine a space between the inner circumference of the outer tube and the outer circumference of the inner tube, thus forming the heat pipe.

Abstract: A medical apparatus for detecting apnea, in particular, in infants and children. The apparatus measures oxygen saturation in the blood and relates the measurement to a normal condition. The relationship is employed to indicate apnea.

Abstract: An oximeter for measuring oxygen saturation in arterial blood includes a light source for projecting light to a body member to be measured, a light responsive circuit for receiving the light which has transmitted through said body member and for generating at least first, second and third signals at three different wavelengths, and a calculator for calculating at least first SaO.sub.2 data using first and second signals and second SaO.sub.2 data using first and third signals. It is detected whether or not a difference between the first and second SaO.sub.2 data is within a predetermined level. When the difference is within the predetermined level, it is assumed that the first and/or second SaO.sub.2 data are valid, but if not, they are assumed as invalid.