What does differential motor mean?

1 Answers
DelCharlie
07/30/25 8:20am
Differential motor is composed of an ordinary motor and a slip clutch. The clutch side generates a magnetic field through a stator winding, and then the rotor coil adds a 0-90V adjustable voltage to produce a rotor magnetic field for speed regulation through interaction. The 0-90V voltage is supplied by the slip speed regulator. Principle: The feedback voltage generated by the power generation coil of the slip clutch is rectified and sampled to control the speed regulator, ensuring frequency stability and stable output voltage. Part of the feedback voltage is converted and supplied to the tachometer on the speed regulator to display the working speed. Applicable models: Differential motors are mostly used in electric vehicles. Electric tricycles use differential motors as the driving and transmission device, which is the main component of electric drive vehicles. It is located in the middle of the drive axle and transmits power to both half shafts through gears.
Was this review help?
14
4
Share
More Forum Discussions

How Many ABS Sensors Need to Be Replaced If They Fail in a Mercedes-Benz?

Mercedes-Benz ABS sensors should be replaced on a one-to-one basis if they fail. However, before replacement, the sensor should be inspected first, as excessive dirt can also affect the signal. Methods to prevent ABS sensor damage: Maintain sufficient braking distance: When driving on good road surfaces, ensure at least a three-second braking distance from the vehicle ahead. On poor road surfaces, a longer braking distance is required. Keep the sensors clean: ABS wheel sensors and toothed rings are installed on each wheel, so it is essential to regularly clean the sensor probes and toothed rings. Prevent mud, oil, and especially magnetic materials from adhering to their surfaces, as these can cause sensor failure or send incorrect signals to the ABS control unit, affecting the normal operation of the ABS system. Pay attention to brake fluid usage: The ABS system has very high requirements for brake fluid. Therefore, adding or replacing brake fluid must strictly follow the vehicle's user manual instructions, and mixing different types of brake fluid is prohibited.
8
3
Share

How to Choose Between Ford Edge and Buick Enclave?

Here are the differences between the Ford Edge and Buick Enclave: 1. Exterior: The Buick Enclave is a better choice in terms of appearance, featuring a beautiful and elegant interior, and a chassis equipped with front enhanced MacPherson suspension and rear five-link independent suspension for excellent driving stability. 2. Applicability: Although it was launched later than the Edge, the Enclave has made a significant impact, offering reassurance and comfort in terms of exterior, interior, power, and driving assistance functions. Its strong exterior, luxurious interior, multiple driving modes, and fuel efficiency make the Enclave stand out. 3. Design: The Edge features a front grille, trunk lid, and door handles with chrome design elements, such as the handles. The Buick Enclave adopts a long nose and short suspension design concept, exuding a strong presence of a large car. It also includes features like the wing-type matrix full LED headlights, 20-inch 12-spoke aluminum alloy wheels, full LED taillights, side car steps, etc. The exterior design of the Buick Enclave seems to resonate more with people.
1
1
Share

How to Unclog the Sunroof Drain Pipe of Nissan Sunny?

Here are the methods to unclog the sunroof drain pipe of Nissan Sunny: 1. Syringe injection method: Connect a syringe to an infusion tube, first extract the accumulated water in the drain trough to avoid backflow caused by forced injection. 2. Extract the accumulated water: Fill the syringe with clean water, point the outlet of the infusion tube towards the entrance of the drain pipe, control the force based on the resistance during injection. Once water overflows, use the suction method to extract the dirty water mixture. Repeat this process several times to unclog the drain pipe. 3. Air gun blowing method: Use high-pressure airflow to pressure-clean the drain pipe. When unclogging, wrap a piece of cloth around the nozzle to prevent dirty water from splashing onto clothes and the vehicle. Avoid setting the air pressure too high, as it may cause the rubber joint and drain pipe to detach, worsening the leakage problem. After blowing, pour clean water into the entrance of the drain pipe and check if water flows out from the outlet near the tire mudguard. If water flows out, it indicates successful unclogging.
8
3
Share

What are the reasons for difficult cold starts in car engines?

There are several reasons for difficult cold starts in car engines: 1. The cold start injector is clogged with gum deposits, affecting the fuel atomization quality, which causes the cold start injector to fail and not work properly; 2. The thermal switch is short-circuited (contacts normally closed) or open-circuited (normally open). If the contacts are normally closed, the cold start injector will always be in a non-working state; 3. The coolant temperature sensor is faulty, leading to incorrect information transmission; 4. Severe carbon deposits in the intake tract and combustion chamber. The car engine is the device that provides power to the car, acting as the heart of the car, determining its power, fuel economy, stability, and environmental friendliness. Depending on the power source, car engines can be classified into diesel engines, gasoline engines, electric vehicle motors, and hybrids, among others.
12
5
Share

Should the Handbrake Be Pulled After Parking an Automatic Transmission Car?

After parking an automatic transmission car, it is recommended to pull the handbrake in all situations. For the safety of yourself and others, it is advisable for car owners to develop the good habit of pulling the handbrake after parking, especially when parking on slopes. Properly engaging the handbrake can also prevent rolling accidents. The professional term for the handbrake is auxiliary brake, which differs in principle from the main brake. It uses a steel cable connected to the rear brake shoes to apply braking force to the vehicle. Prolonged use of the handbrake can cause plastic deformation of the steel cable. Since this deformation is irreversible, long-term use can reduce its effectiveness and increase the handbrake's travel distance. The handbrake system also includes a return spring. When the handbrake is engaged, the spring is stretched; when the handbrake is released, the spring returns to its original length. With prolonged use, the spring may also undergo corresponding deformation.
18
4
Share

Why is the Kia K4 air conditioning not cooling?

Here are the possible reasons why the Kia K4 air conditioning is not cooling: 1. Reason one: The vehicle's air conditioning system is low on refrigerant. In this case, you need to go to a repair shop to check the system pressure with a pressure gauge. If it's low on refrigerant, it needs to be replenished promptly. 2. Reason two: The surfaces of the vehicle's condenser and radiator are too dirty, leading to poor heat dissipation. In this case, you need to go to a repair shop to clean the surfaces of the condenser and radiator. 3. Reason three: The vehicle's air filter is too dirty, resulting in low air speed. In this case, you need to replace the air filter with a new one. 4. Reason four: The quality of the refrigeration oil in the compressor of the refrigeration system has deteriorated, leading to reduced lubrication efficiency, which can cause damage to the air conditioning compressor. This directly affects the expansion valve and throttle valve, causing them to malfunction and resulting in the car's air conditioning not cooling.
15
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.