| Patent application number | Description | Published |
|---|
| 20080236537 | INTERNAL COMBUSTION ENGINE FOR VEHICLE - An electric motor is cooled by an air flow without restricting the degree of freedom in the arrangement of an oil cooler and an oil filter by utilizing a front face of a front portion of an engine body to arrange the electric motor. The engine includes an oil cooler, an oil filter, and an starter motor for driving a crankshaft to rotate. The oil cooler and the starter motor are disposed on a front face, which is directed in an advancing direction of the vehicle, of a front portion of a lower block which forms an engine body. The oil filter is attached to an attachment seat provided on a side face of the front portion which is directed in the sideward direction. A communication oil path for communicating the oil cooler and the oil filter with each other is provided in the inside of the front portion. | 10-02-2008 |
| 20100242870 | VEHICLE INTERNAL COMBUSTION ENGINE - A vehicle internal combustion engine wherein the vertical length of a crankcase is made short in addition to making short the anteroposterior length of the crankcase. A vehicle internal combustion engine is configured such that a crankshaft, a main shaft, a counter shaft and an output shaft are arranged in parallel in a crankcase with the main shaft being disposed to the rear of the crankshaft and the counter shaft is disposed to the rear of the main shaft. The output shaft is disposed below and forward of the counter shaft. | 09-30-2010 |
| 20110061492 | LUBRICATING OIL FEEDING STRUCTURE - A lubricating oil feeding structure that permits an adequate amount of lubricating oil to be fed to those parts around the transmission while avoiding an excess supply of lubricating oil to the lubricating oil passage in the shaft of the transmission. The transmission has a space (as a recess to hold the shaft therein) in which is arranged the oil guide part. The oil guide part has the bottomed cylinder, with its one end opened, the flange that flares outward at the open end of the bottomed cylinder, and the oil holes that communicate between the inside and the outside of the bottomed cylinder. The oil guide part is arranged in the space in such a way that the flange comes into contact with the outer race of the bearing. | 03-17-2011 |
| 20110061624 | IGNITION DEVICE ATTACHMENT STRUCTURE FOR INTERNAL COMBUSTION ENGINE - An ignition device attachment structure for an internal combustion engine includes an ignition plug tube inserted between a cylinder head cover and an ignition device insertion hole formed in a cylinder head of the internal combustion engine. The ignition plug tube bulges from an upper end of the ignition plug tube to an intermediate portion of the ignition plug tube on a lateral surface of the ignition plug tube. | 03-17-2011 |
| 20110061627 | MULTI-CYLINDER INTERNAL COMBUSTION ENGINE - A multi-cylinder internal combustion engine includes a one-side crank chamber and an other-side crank chamber formed by partitioning a lower crankcase by a plurality of lower support walls which are provided integrally with the lower crankcase and support a crankshaft. A plurality of oil outflow holes respectively communicate with the one-side crank chamber and the other-side crank chamber through which oil is discharged from the one-side crank chamber and the other-side crank chamber. An oil discharge port is provided along a lower support wall of the one-side crank chamber and the other-side crank chamber. A suction port of a scavenging pump for discharging the oil present in the one-side crank chamber and the other-side crank chamber is provided in an outer wall in the manner of straddling the lower support wall. | 03-17-2011 |
| 20110065538 | CHAIN TENSIONER FOR INTERNAL COMBUSTION ENGINE - A chain tensioner includes a base frame secured to each of front and rear banks, a slider plate shiftable in the extending direction of the base frame, and a tensioner provided to straddle between the base frame and the slider plate. The slider plate is biased to elastically deform and arcuately bend the tensioner, which applies a tensile force to each of cam chains transmitting the rotation of a crankshaft. In the chain tensioner, upper securing portions are provided in an upper portion of the base frame so as to be secured to each of the front and rear banks in the bending direction of the tensioner. A lower end of the base frame extends to a position facing the inside of the crankcase to provide a lower securing portion which is secured to each of the front and rear banks perpendicularly to the bending direction of the tensioner. | 03-17-2011 |
| Patent application number | Description | Published |
|---|
| 20080285303 | OPTICAL MODULE AND MANUFACTURING METHOD THEREOF - An optical module according to the present invention comprises an electric wiring substrate, a first optical element mounted on the electric wiring substrate so that a heat generation section of the first optical element is positioned relatively close to a substrate surface of the electric wiring substrate and a heat sink mounted on the same plane as the mounting plane of the first optical element on the electric wiring substrate, the heat sink being mounted on the electric wiring substrate so that an area of electric wiring on the electric wiring substrate overlaps the heat sink. This improves the efficiency of heat radiation of the optical module. | 11-20-2008 |
| 20090245798 | OPTICAL CIRCUIT AND RECEIVER CIRCUIT - An optical circuit that converts a phase-modulated optical signal into intensity-modulated signal light in accordance with a phase, the optical circuit including a square mode distribution forming portion that forms a plurality of interfering signals each assuming a square mode shape, the interfering signals having respective phases shifted from each other by a certain angle, a light interference portion that creates a signal having a certain mode distribution, from the interfering signal, and that applies a Fourier transform to the signal having the certain mode distribution, and an output portion that has a plurality of waveguides each provided in correspondence with the phase and that outputs an optical signal that has been output from the light interference portion. | 10-01-2009 |
| 20090252505 | PHASE-MODULATED SIGNAL RECEIVING DEVICE - A monitor circuit detects the average light receiving current of a photoelectric conversion device for receiving a positive-phase intensity-modulated signal and outputs the detected current value to a control unit. The control unit adjusts the heater current of a phase adjustment heater in such a way as to maximize or minimize the output of the monitor circuit and controls the amount of delay of the phase reference light of a demodulator. | 10-08-2009 |
| 20100074570 | OPTICAL CIRCUIT - According to an aspect of an embodiment, an optical circuit comprising: at least two pairs of two input waveguides; a slab waveguide with one end coupled to two pairs or more of the two input waveguides; and four output waveguides coupled to another end of the slab waveguide; wherein a distance between two pairs of adjacent two input waveguides among two pairs or more of the two input waveguides is approximately four times as long as a distance between the two input waveguides. | 03-25-2010 |
| 20100085630 | DEMODULATOR - A demodulator and method are provided. The demodulator for demodulating an optical signal, includes a splitter that splits a differential phase modulation signal into a first split light component and a second split light component, couples the first split light component to a first optical path and the second split light component to a second optical path, a first medium disposed on the first optical path, a second medium disposed on the second optical path and having a refractive index different from that of the first medium, and a combiner that combines the first split light component that has passed through the first medium and the second split light component that has passed through the second medium, wherein one of the first split light component and the second split light component is delayed in relation to the other. | 04-08-2010 |
| 20100119230 | OPTICAL RECEIVING CIRCUIT - An optical receiving circuit receives and demodulates an optical signal subjected to phase modulation and wavelength division multiplexing. The optical receiving circuit includes an interfering unit that causes a reference signal to interfere with the optical signal to output resulting signals as positive-phase signals and negative-phase signals; and a wavelength separator having input ports receiving the positive-phase signals and the negative-phase signals, the positive-phase and negative-phase signals being adjacent to each other. The wavelength separator separates according to wavelength, the positive-phase signals and the negative-phase signals, and from output ports, outputs for each wavelength, a separated positive-phase signal and negative-phase signal in a state of being adjacent to each other. The optical receiving circuit further includes balanced receivers respectively provided for each wavelength, where a given balanced receiver for a given wavelength performs balanced reception and demodulation of the separated positive-phase signal and negative phase signal of the given wavelength. | 05-13-2010 |
| 20100129089 | DEMODULATOR AND RECEIVING DEVICE - A demodulator includes: a splitter that branches a differential phase shift keying optical signal into a first branched optical signal passing through a first optical path and a second branched optical signal passing through a second optical path; a multiplexer that multiplexes the first branched optical signal having passed through the first optical path and the second branched optical signal having passed through the second optical path and makes interference between the first branched optical signal and the second branched optical signal; and a double refraction medium that reduces difference between phase differences between each polarized wave between the first branched optical signal and the second branched optical signal multiplexed by the multiplexer. | 05-27-2010 |
