Table of Contents
What is speed coupling?
In this method, a variable speed drive is installed between the motor and the driven load. Use of such a drive allows the motor to accelerate without accelerating the driven load. After the motor is up to speed, the variable speed drive is activated and the load brought up to operating speed.
What is torque coupling?
Physically, a torque coupler is a three-sprocket belt or chain drive whereby two torque sources combine their torques to provide to a drivetrain component such as the gearbox or final drive.
What is high speed coupling?
Ameridrives provides custom-designed,light weight couplings that are capable of transmitting high torques at high speeds while accepting significant levels of angular,radial and axial misalignment.
What is the main advantage of using speed coupling in hybrid drive trains?
The aim of this paper is to obtain efficient operation of the components in the series-parallel drivetrain in order to develop an optimal power distribution system. This will be done through the use of efficiency maps of the electric motor and the engine.
What is the function of mechanical coupler in hybrid vehicle?
In mechanical-hybrid and parallel hybrid-electric vehicles, the mechanical power outputs from different power sources are combined using various devices that can be generically called “torque couplers.” These include three-sprocket gears driven by belts or chains or direct coupling on the same shaft.
Where would a fluid coupling be used?
Where are they use fluid couplings? In general fluid couplings are used in Belt conveyors, Extruders, Centrifuges, Bucket elevators, Ball mills, Crushers, Mixers, Slurry pumps, Compressors, Industrial fans, Feeders, Diesel locomotives, Wagon tipplers, Boiler feed pumps, Reciprocating pumps, Process Pumps, Dryers etc.
What is coupling and types of coupling?
Coupling fall into two main categories: Material Flexing and Mechanical Flexing. The material flexible types obtain their flexibility from stretching or compressing a resilient material, such as rubber, or from the flexing of thin metallic discs or grid. All metal mechanical flexing couplings require lubrication.
What is a coupling used for?
Couplings are mechanical components used to connect two in-line shafts to enable one shaft to drive another at the same speed. A coupling can be rigid or flexible, allowing various amount of angular, radial, and axial misalignment between the two shafts.
What is the difference between pre and post transmission torque coupling?
In the first 18 seconds, the post-transmission motor produces higher torque at low speeds, while the pre- transmission motor delivers lower torque due to its lower initial speeds. After about 18 seconds, each motor then operates in the same torque and speed region.
Why should I not buy an EV?
Limited driving range discourages buyers But most EVs in the affordable range right now give you a range of 200 km on average, which is not sufficient for long-range driving. As long as the charging setup in the country evolves, car driving range is always going to be a drawback for EV buyers.
How the torque coupler works in the hybrid electric vehicle?
Another concept for torque coupling is implemented in full parallel hybrids. It consists of mounting the rotor of the electric machine on the same engine shaft, between the engine and the final drive. This mounting allows the electric machine to be used as a damper to cancel oscillations at the drive train.