摘要:
A thermal transfer printer which controls a speed of an ink sheet based on density information of document image data uses a counting part for counting the number of maximum density pixels or gradation pulses in document image data and uses a speed ratio changing part for changing a speed ratio between a feeding speed of a recording medium and a feeding speed of an ink sheet based on the number of maximum density pixels or gradation pulses which have been counted by the counting part.
摘要:
An actuator for a wheel anti-lock system, which comprises a first conduit connected to a brake master cylinder and a second conduit connected to a brake wheel cylinder. To the second conduit, there is connected a reservoir for reserving a predetermined amount of working liquid. Between the first conduit and the second conduit, there is interposed a feed change-over valve for opening or closing the communication between them. Between the second conduit and the reservoir, there is interposed a release change-over valve for opening or closing the communication between them. In the first conduit, there is disposed a normally open cut valve for closing the first conduit when in a skid control. To the first conduit, there is connected a pressure transducer in parallel with the cut valve. The pressure transducer includes: a body having a smaller bore connected to the brake master cylinder and a larger bore connected to the brake wheel cylinder; a stepped piston fitted in the two bores; and a spring for biasing the stepped piston toward the smaller portion thereof. When in the skid control, the pressure transducer feeds the second conduit with a pressure liquid, a predetermined amount larger than the pressure liquid which is fed from the 2 master cylinder, to the pressure transducer.
摘要:
A hydraulic anti-skid apparatus which includes a cut-off valve disposed within a braking circuit connecting a master cylinder to a wheel brake cylinder, a bypass valve disposed within a bypass passage of the braking circuit, first and second pistons respectively arranged to control opening and closing operations of the cut-off valve and the bypass valve, the first and second pistons each being arranged to be applied at one end thereof with a hydraulic braking pressure from the master cylinder and at the other end thereof with a hydraulic power pressure from a fluid pump, a solenoid valve arranged to apply the power pressure to the first piston in its deactivated condition and to connect the first piston to a fluid reservoir in its activated condition, and a regulator valve arranged to control the power pressure applied to the first and second pistons in accordance with the braking pressure applied thereto. The regulator valve is arranged acts to cooperate with a check valve in response to the braking pressure thereby to produce a hydraulic pressure at a higher value than the braking pressure. An orifice element is further arranged to throttle the flow of pressurized fluid supplied to the first piston through the regulator and solenoid valves to maintain the power pressure acting on the second piston.
摘要:
A fuel cell system 100 includes a fuel cell 10, a cathode gas supply system 30, a supply valve 34, an exhaust valve 43 and a controller 20. The fuel cell 10 has a supply manifold M1, an exhaust manifold M2, and a power generation area GA connected with these manifolds M1 and M2. The cathode gas supply system 30 causes a gas to be flowed into the supply manifold M1. The supply valve 34 is operable to seal the supply manifold M1, whereas the exhaust valve 43 is operable to seal the exhaust manifold M2. The controller 20 closes the supply valve 34 and the exhaust valve 43 after operation stop of the fuel cell 10 to seal the fuel cell 10 under a specified pressure and then waits for a predefined time. The controller 20 subsequently opens the supply valve 34 to move water remaining in the power generation area GA on the flow of the gas toward outside of the power generation area GA.
摘要:
A fuel cell is disclosed comprising: a power generation layer including an electrolyte membrane, and an anode and a cathode provided on respective surfaces of the electrolyte membrane; a fuel gas flow path layer located on a side of the anode of the power generation layer to supply a fuel gas to the anode while flowing the fuel gas along a flow direction of the fuel gas approximately orthogonal to a stacking direction in which respective layers of the fuel cell are stacked; and an oxidizing gas flow path layer located on a side of the cathode of the power generation layer to supply an oxidizing gas to the cathode while flowing the oxidizing gas along a flow direction of the oxidizing gas opposed to the flow direction of the fuel gas. A power generation area of the fuel cell, in which electric power is generated, has an upstream region including a most upstream position along the flow direction of the fuel gas and a downstream region including a most downstream position along the flow direction of the fuel gas. A midstream region, which is a remaining region of the power generation area other than the upstream region and the downstream region, has higher water vapor transfer resistance between the anode side and the cathode side than the upstream region and the downstream region.
摘要:
The procedure of the invention successively obtains an estimated value of amount of liquid water in a fuel cell during operation in each specified period by the following steps (a) to (d), thereby improving the detection accuracy of the water condition inside the fuel cell. The step (a) obtains a previous estimated value. The step (b) obtains a drainage rate that represents an amount of liquid water discharged from the fuel cell per unit time, based on the previous estimated value and a value representing a current flow rate of a reactive gas in the fuel cell. The step (c) multiplies the drainage rate by a period of obtaining the estimated value, so as to calculate an amount of liquid water discharged from the fuel cell for a specified duration. The step (d) determines a current estimated value, based on the amount of liquid water discharged from the fuel cell for the specified duration.
摘要:
It is intended to improve maintainability of a seal structure in a place where the rotation shaft is inserted in the housing. A seal structure of a mechanical device is provided with a housing 18 having an opening in which an input shaft 21 is inserted, a holding plate 41 which is connected to a periphery of the opening of the housing 18 and which has an opening in which the input shaft 21 is inserted, a felt ring 46 which is provided in the holding plate 41 and which seals a space between the holding plate 41 and the input shaft 21, a separable housing 43 which is provided to cover the holding plate 41 and a separable oil seal 45 which seals the space between the holding plate 41 and the input shaft 21 and a space between the cover and the rotation shaft. The holding plate 41 has an arc-shaped projection 47b extending to a position where the projection comes in contact with a wall surface of the separable housing 43 and a housing space for housing the oil seal 45 is formed by the wall surface of the cover, the inner periphery of the arc-shaped projection 47b and the wall surface of the holding plate 41.
摘要:
A scanner image-processing unit includes a scanner-property adjusting unit that converts image data from a scanner unit into normalized image data and a first image processing unit that performs a first image processing on the normalized image data to generate output image data. If a controller image-processing unit that performs a second image processing on the image data from the scanner unit is connected, a configuration control unit disables an operation of the first image processing unit and controls the controller image-processing unit to perform the second image processing on the normalized image data to generate the output image data.
摘要:
A method of repairing a bearing of a wind turbine generator is provided which is able to more permanently repair a gap which occurred between a constituent member of the wind turbine generator and a bearing ring of the bearing. For example, in the case of repairing the gap 13 between the main shaft outer cylinder 10 of the wind turbine generator 1 and the outer ring 12A of the main bearing 12, the plate 40 is inserted between the main shaft outer cylinder 10 and the outer ring 12A, and also the plate 40 is fixed to an inner circumferential surface of the main shaft outer cylinder 10 by the adhesive agent 41. On the other hand, slip is permitted between the plate 40 and the outer ring 12A of the main bearing 12.
摘要:
A torque converter includes a pump shell constituting an internal space for retaining ATF and capable of rotating about the rotation axis; a blade engaging with the pump shell; and an extension sleeve pressing the blade against the pump shell. The pump shell has a groove into which a tip portion of the blade is fit formed at its inner peripheral surface. In the state where the tip portion is fit into the groove, the extension sleeve presses the blade to fix the blade to the pump shell. The groove forms an acute angle θ with respect to a meridian of the shell passing through the groove. The groove extends in one direction, has one end opened and the other end closed, and has a width larger on the side of the one end than on the side of the other end. The groove has a portion smallest in width equal to the width of the tip portion.