Abstract: A washer pump includes a case partitioned into a motor chamber, which accommodates an armature rotated when it is electrically energized, and partitioned into a pump chamber, which accommodates an impeller rotated being coupled to an armature shaft of the armature, wherein washing liquid is sucked into the pump chamber from a liquid suction port, which is communicated with the pump chamber, by the rotation of the impeller, and the washing liquid is discharged from a liquid discharge port which is communicated with the pump chamber, and the washer pump is characterized in that: a ventilation hole is provided on a partition wall to partition the pump chamber and the liquid suction port, a filter for filtering the washing liquid is detachably attached to the liquid suction port, an air passage is provided in the filter, and the air passage is communicated with the ventilation hole.

Abstract: A data write apparatus for nonvolatile memory includes a control device for transmitting or receiving data, and a nonvolatile memory connected to the control device through a communication line, for storing the data supplied from the control device. The nonvolatile memory permits write of data if the number of pulses of a clock signal transmitted as well as the data agrees with a prescribed number and the nonvolatile memory inhibits write of data if the number of pulses of the clock signal does not agree with the prescribed number of pulses. The control device includes a receiving member for receiving the data transmitted onto the communication line; and an increasing/decreasing member for comparing a first data supplied to the nonvolatile and a second data received by the receiving member through the communication line to determine whether or not the first data and the second data are the same data.

Abstract: The invention provides a variable nozzle control apparatus for a turbocharger in an engine comprising: a variable nozzle having a vane; an engine ECU for identifying an operating situation of the engine by detected outputs of sensors in the engine and outputting a control signal; and an electronic control actuator for controlling an opening of the vane in response to the control signal transmitted from the engine ECU, wherein the electronic control actuator includes an electronic control circuit section for receiving an opening indication information of the vane from the engine ECU and outputting an output signal; a driving section for receiving the output signal from the electronic control circuit and driving the vane of the variable nozzle through an output shaft; and an angle sensor for detecting a rotation angle of the output shaft to output an actual angle signal of the output shaft to the electronic control circuit.

Abstract: An actuator is provided with an output shaft connected to a driving gear, a pair of cam followers turned by the shaft and driving the cams held on driven shafts urging members held in housings of the driving gear, a rotation retaining plate mounted on the output shaft so that the rotation retaining plate cannot be rotated relatively to the output shaft, a plurality of pressing parts formed on the rotation retaining plate so as to project therefrom, and slits for preventing the driving gear and pressing parts from interfering with each other. The rotation of the driving gear is transmitted to the output shaft via the springs and rotation retaining plate. When the rotation of the driving gear is continued with the output shaft locked and stopped, one of both end portions of each spring is pressed by the corresponding pressing member.

Abstract: The actuator device includes: a case having a motor housing unit and a gear housing unit; a motor housed in the motor housing unit; and an output gear rotatably housed in the gear housing unit of the case, the output gear driven to rotate by the driving shaft of the motor; the actuator device supporting the motor in a floatable fashion within the motor housing unit via an elastic element; characterized in that the elastic element includes a main body floating part for holding the motor main body of the motor and a pair of bearing floating parts for holding the bearings in front and rear of the driving shaft of the motor and that the main body floating part and the pair of bearing floating parts are integrally formed by way of an elastic element.

Abstract: A data write apparatus for nonvolatile memory includes a control device for transmitting or receiving data, and a nonvolatile memory connected to the control device through a communication line, for storing the data supplied from the control device. The nonvolatile memory permits write of data if the number of pulses of a clock signal transmitted as well as the data agrees with a prescribed number and the nonvolatile memory inhibits write of data if the number of pulses of the clock signal does not agree with the prescribed number of pulses. The control device includes a receiving member for receiving the data transmitted onto the communication line; and an increasing/decreasing member for comparing a first data supplied to the nonvolatile and a second data received by the receiving member through the communication line to determine whether or not the first data and the second data are the same data.

Abstract: The failure detecting apparatus includes an input circuit 13 connected to a temperature sensor 53 to detect various changes, for detecting the resistance of the temperature sensor 53, a monitor circuit 14 connected in parallel to the input circuit 13 for monitoring the failure of the input circuit 13, and a CPU 1 which is supplied with the resistance of the temperature sensor 53 detected by the input circuit 13 and in detecting failure of the monitor circuit 14, switches its state between the inputting state receiving a signal from the monitor circuit 14 and the outputting state sending the signal to the monitor circuit 14.

Abstract: Provided is a heater drive circuit that applies a voltage to a heater resistor in detecting a temperature variation in accordance with the concentration of a predetermined element contained in a liquid, the heater drive circuit including: a booster circuit for boosting a predetermined reference power source voltage to generate a boosted power source voltage; a voltage control circuit including an operational amplifier driven by a boosted power source voltage from the booster circuit; and an emitter follower output circuit having its base terminal connected to an output voltage from the heater resistor, its collector terminal connected to the predetermined reference power source, and its emitter terminal connected to the heater resistor.

Abstract: The invention provides a variable nozzle control apparatus for a turbocharger in an engine comprising: a variable nozzle having a vane; an engine ECU for identifying an operating situation of the engine by detected outputs of sensors in the engine and outputting a control signal; and an electronic control actuator for controlling an opening of the vane in response to the control signal transmitted from the engine ECU, wherein the electronic control actuator includes an electronic control circuit section for receiving an opening indication information of the vane from the engine ECU and outputting an output signal; a driving section for receiving the output signal from the electronic control circuit and driving the vane of the variable nozzle through an output shaft; and an angle sensor for detecting a rotation angle of the output shaft to output an actual angle signal of the output shaft to the electronic control circuit.

Abstract: The actuator device includes: a motor housed in a case having a cover; an output gear driven to rotate by the drive shaft of via a deceleration gear; an output shaft rotatably supported by the case and rotating together with the output gear; and an output cam mounted on the output shaft; the actuator device having a receiving recessed part accommodating a stopper element on the top surface of the output gear, a stopper element rotatably mounted on the output shaft facing inside the receiving recessed part, and a locking projection part that is locked to and separated from the projection part of the output shaft and a stopper on the stopper element; and stopper where each stopper of the stopper element is locked to the inner surface of the cover to limit the rotation angle of the output gear.

Abstract: In an actuator apparatus including a case having a cover for covering a motor containing portion and a gear containing portion, a motor contained in the motor containing portion, an output gear rotatably contained in the gear containing portion and driven to rotate by a drive shaft of the motor via a reduction gear, an output shaft rotatably supported by the case and rotated along with the output gear, and an output member attached to the output shaft, the motor is floatably supported in the motor containing portion via an elastic member, a front end of the drive shaft is rotatably supported via a bearing of a bearing holding portion of the gear containing portion, and the bearing is floatably supported by the bearing holding portion of the gear containing portion via a vibration isolating member.

Abstract: A negative feedback control operation is performed in the electronic control actuator. Thus, a motor and a gear rotate the output shaft until the actual angle signal becomes nearly equal to the target angle signal. The turn of the output shaft of the electronic control actuator is transmitted to nozzle vanes of a turbocharger through a lever and a rod, so that the opening of the nozzle vane is controlled.

Abstract: In operating to open or close a door (step S1), when an outside switch indicating whether a door knob portion is grabbed or not grabbed by the hand of an operator is brought into an ON state (grip state), or when a distance of moving the door is less than a predetermined angle after bringing the outside switch into an OFF state from the ON state (non-grip state) (step S6), a current threshold higher than a normal current threshold is set (step S3, step S7), a motor current and the current threshold is compared (step S4) and pinching of an obstacle of the door is detected (step S5).

Abstract: In operating to open or close a door (step S1), when an outside switch indicating whether a door knob portion is grabbed or not grabbed by the hand of an operator is brought into an ON state (grip state), or when a distance of moving the door is less than a predetermined angle after bringing the outside switch into an OFF state from the ON state (non-grip state) (step S6), a current threshold higher than a normal current threshold is set (step S3, step S7), a motor current and the current threshold is compared (step S4) and pinching of an obstacle of the door is detected (step S5).

Abstract: A motor with a reduction mechanism, having large-diameter gears of a pair of counter gears meshing with a pair of worms formed in the vicinity of a motor shaft with the thread directions of screws oriented opposite to each other, and an output gear meshing with small-diameter gears of the counter gears, wherein a spring member is housed in a cylindrical recess provided at the back end of the motor shaft; a slide member is slidably housed in the cylindrical recess; the front end portion of the slide member is pressed to contact the inner face of the end portion of a motor case by the elastic force of the spring member; and thrust force oriented in the direction of the front end of the motor shaft is always generated in the motor shaft by the resilient force of the spring member.