How does a wiper motor works?

How does a wiper motor works?

Windshield wipers are powered by a small electric motor, usually mounted on the firewall or under the cowl (the area under the windshield’s base). The motor activates linkage that moves the wiper arms back and forth. On vehicles with a rear window wiper, a separate motor powers the one in the rear.

What is the rpm of wiper motor?

Product Specification

Motor Voltage 12V
Speed (Rpm) 45
Power (Watts or HP) 14
Rated Voltage 13.5 V
Current No load 1.5 A

What is wiper mechanism?

A wiper generally consists of a metal arm; one end pivots, the other end has a long rubber blade attached to it. The arm is powered by a motor, often an electric motor, although pneumatic power is also used for some vehicles. When antifreeze washer fluid is used, it can help the wipers remove snow or ice.

What type of motor is a wiper motor?

The heart of motor vehicle windshield wipers is a DC motor, which can be rated 6V, 12V, or 24V. Most motors are run off a 12V source, while a few are rated 6V and 24V.

How does a wiper relay work?

The windshield wiper blades have one speed The relay switch sends an electrical signal to the module that controls the operation of the wiper motor and gears inside. When the relay is faulty, the windshield wipers will only work at the same speed that the last relay signal was sent.

What is the maximum rpm of a wiper motor?

Some wiper motors have variable speeds of up to 60 revolutions per minute (rpm). Other motors can support different windshield wiper blade angles from 40 degrees up to 110 degrees to maximize wipe performance.

What is the power of a wiper motor?

Wiper motors will probably not exceed 50 watts (4.2 amps at 12 volts). A 30 amp motor will require 360 watts and probably produce at least 250 watts of mechanical power. An engine cooling fan or cabin heating/cooling fan might approach that power level.

Where is the wiper relay?

Where is the wiper interval relay located? This relay is activated by the control unit integrated in the fuse and by the relay panel on the left footboard. Performance is similar to the legend, but the intermittent relay is located at the front of the engine compartment.

Is wiper motor DC or AC?

Ideally a wiper mechanism consists of a dc motor with a gear arrangement that transform the continuous rotation of the motor into the so ‘wiper motion’.

What is wiper relay?

The wiper relay is unique in that it’s found inside the wiper control handle which often has selector switches giving drivers multiple settings for their windshields. Over a period of time, this relay can be damaged – which will impact the operation of the windshield wiper system and in some cases, render it useless.