Patent classifications
B60S1/08
Brushless motor and wiper apparatus
A brushless motor comprises: a stator 21 having armature coils 21a, 21b, and 21c; a rotor 22 which is rotated by a revolving magnetic field; and a switching element 30a, wherein the brushless motor has a rotation number control unit 33 which switches between low-speed and high-speed mode, wherein in the low-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at predetermined energization timing and controls a duty ratio to control the rotation number of the rotor 22, and in the high-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at energization timing advanced from the energization timing for the low-speed mode, thereby performing field weakening control of weakening the revolving magnetic field from that of the low-speed mode to control the rotation number of the rotor 22.
BRUSHLESS MOTOR AND WIPER APPARATUS
A brushless motor comprises: a stator 21 having armature coils 21a, 21b, and 21c; a rotor 22 which is rotated by a revolving magnetic field; and a switching element 30a, wherein the brushless motor has a rotation number control unit 33 which switches between low-speed and high-speed mode, wherein in the low-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at predetermined energization timing and controls a duty ratio to control the rotation number of the rotor 22, and in the high-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at energization timing advanced from the energization timing for the low-speed mode, thereby performing field weakening control of weakening the revolving magnetic field from that of the low-speed mode to control the rotation number of the rotor 22.
BRUSHLESS MOTOR AND WIPER APPARATUS
A brushless motor comprises: a stator 21 having armature coils 21a, 21b, and 21c; a rotor 22 which is rotated by a revolving magnetic field; and a switching element 30a, wherein the brushless motor has a rotation number control unit 33 which switches between low-speed and high-speed mode, wherein in the low-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at predetermined energization timing and controls a duty ratio to control the rotation number of the rotor 22, and in the high-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at energization timing advanced from the energization timing for the low-speed mode, thereby performing field weakening control of weakening the revolving magnetic field from that of the low-speed mode to control the rotation number of the rotor 22.
SENSOR LENS CLEANING SYSTEM
Sensor cleaning systems are disclosed for cleaning an entrance surface through which light beams are transmitted from an environment to a vehicle-mounted sensor. The sensor cleaning system includes multiple washing elements that dispense a heated or non-heated washer fluid over the entrance surface from different angles, and multiple wiping elements that move independently over the entrance surface. The washing and dispensing elements wash and wipe the entrance surface in a sequence of reconfigurable wiping and washing steps. During vehicle shut down and startup processes, the sensor cleaning system automatically performs a cleaning process. After a last cleaning process performed during a vehicle shut down process, the wiping elements cover the entrance surface to shield the entrance surface from dirt and other debris that could interfere with sensor operation.
SENSOR LENS CLEANING SYSTEM
Sensor cleaning systems are disclosed for cleaning an entrance surface through which light beams are transmitted from an environment to a vehicle-mounted sensor. The sensor cleaning system includes multiple washing elements that dispense a heated or non-heated washer fluid over the entrance surface from different angles, and multiple wiping elements that move independently over the entrance surface. The washing and dispensing elements wash and wipe the entrance surface in a sequence of reconfigurable wiping and washing steps. During vehicle shut down and startup processes, the sensor cleaning system automatically performs a cleaning process. After a last cleaning process performed during a vehicle shut down process, the wiping elements cover the entrance surface to shield the entrance surface from dirt and other debris that could interfere with sensor operation.
WINDSHIELD WIPER SYSTEMS
A wiper system for wiping a, windshield includes a first wiper arm and a second wiper arm both supporting at least one wiper blade. A wiper motor drives rotation of the first wiper arm. An actuator is coupled eccentrically to the second wiper arm so as to convert rotary motion of the actuator to reciprocating motion of the second wiper arm. A pantograph wiper system of a vehicle includes a first wiper arm configured to be driven by a first pivot drive shaft, a second wiper arm configured to be driven by a second pivot drive shaft, and a single wiper motor. The single wiper motor drives rotation of the first and second pivot drive shafts. An arm-blade coupler connecting a wiper middle arm to the first and second wiper arms so as to allow the wiper middle arm to slide along the first and second wiper arms.
WINDSHIELD WIPER SYSTEMS
A wiper system for wiping a, windshield includes a first wiper arm and a second wiper arm both supporting at least one wiper blade. A wiper motor drives rotation of the first wiper arm. An actuator is coupled eccentrically to the second wiper arm so as to convert rotary motion of the actuator to reciprocating motion of the second wiper arm. A pantograph wiper system of a vehicle includes a first wiper arm configured to be driven by a first pivot drive shaft, a second wiper arm configured to be driven by a second pivot drive shaft, and a single wiper motor. The single wiper motor drives rotation of the first and second pivot drive shafts. An arm-blade coupler connecting a wiper middle arm to the first and second wiper arms so as to allow the wiper middle arm to slide along the first and second wiper arms.
WIPER SYSTEM FOR A MOTOR VEHICLE WITH SCREEN WASH SYSTEM
The invention relates to a wiper system (1) for wiping a glazed surface of a motor vehicle having a washer system (3) able to be used in combination with a reservoir (5) containing a washer fluid, said wiper system comprisinga drive motor (7) for driving at least one wiper arm,a pump (11) intended to be fluidly connected firstly to said reservoir (5) and secondly to at least two spray nozzles at least one of which is able to deliver a jet of fluid to the windshield of a vehicle and at least another of which is able to deliver a jet of fluid to the rear screen of a vehicle, anda switch (17) having at least a first position for supplying said at least one spray nozzle able to deliver a jet of fluid to the windshield and a second position for supplying said at least one spray nozzle able to deliver a jet of fluid to the rear screen,the pump (11) being a two-way pump capable of being driven in two opposite directions of rotation to supply one or other of the spray nozzles under the control of said switch (17), characterized in that means (9) for generating electrical control signals which are connected to the drive motor (7) are able to generate electrical control signals that vary according to the angular position of the wiper arm on the glazed surface and in that said two-way pump is supplied when the switch (17) is in the first position via the means (9) of generating electrical control signals which are connected to the drive motor (7) according to the angular position of the wiper arm on the glazed surface.
WIPER SYSTEM FOR A MOTOR VEHICLE WITH SCREEN WASH SYSTEM
The invention relates to a wiper system (1) for wiping a glazed surface of a motor vehicle having a washer system (3) able to be used in combination with a reservoir (5) containing a washer fluid, said wiper system comprisinga drive motor (7) for driving at least one wiper arm,a pump (11) intended to be fluidly connected firstly to said reservoir (5) and secondly to at least two spray nozzles at least one of which is able to deliver a jet of fluid to the windshield of a vehicle and at least another of which is able to deliver a jet of fluid to the rear screen of a vehicle, anda switch (17) having at least a first position for supplying said at least one spray nozzle able to deliver a jet of fluid to the windshield and a second position for supplying said at least one spray nozzle able to deliver a jet of fluid to the rear screen,the pump (11) being a two-way pump capable of being driven in two opposite directions of rotation to supply one or other of the spray nozzles under the control of said switch (17), characterized in that means (9) for generating electrical control signals which are connected to the drive motor (7) are able to generate electrical control signals that vary according to the angular position of the wiper arm on the glazed surface and in that said two-way pump is supplied when the switch (17) is in the first position via the means (9) of generating electrical control signals which are connected to the drive motor (7) according to the angular position of the wiper arm on the glazed surface.
MOTOR APPARATUS HAVING IMPROVED CONNECTOR UNIT
A motor apparatus provided with a connector unit (40) to which an external connector is connected, wherein the connector unit (40) has a plurality of conductive members (64, 65, 66) arranged over a base portion (50) and a connector connecting portion (70) provided with a plug-in hole in which the external connector is plugged, wherein the conductive members (64, 65, 66) respectively include connector-side connecting portions (64a, 65a, 66a) connected to the external connector so as to face the connector connecting portion (70) from a first direction reversed to a plug-in direction of the external connector to the plug-in hole and base-side connecting portions (64b, 65b, 66b) connected to terminals or wirings provided in the base portion (50), wherein the connector-side connecting portions (64a, 65a, 66a) are respectively inserted into a plurality of insertion holes (74, 75, 76) provided at positions different from each other in a second direction intersecting the first direction, and wherein the base-side connecting portions (64b, 65b, 66b) are respectively arranged at the same position in the second direction.