Toyota camry hybrid transmission




Toyota camry hybrid transmission

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    Toyota camry hybrid transmission

    Toyota camry hybrid transmission

    There actually is a belt in there, but it is in the form of a chain. There are no belts in that transmission. The driver can adjust the speed and torque delivered by the engine with the accelerator and the transmission mechanically transmits nearly all of the available power to the wheels which rotate at a different rate than the engine, by a factor equal to the gear ratio for the currently selected gear. The only thing I can think of that would actually have the information you need is Factory Service Manual from Toyota. Plug-in hybrid In practice, HSD equipped cars can be driven a mile or two without gasoline, as an emergency measure to reach a gas station.

    Toyota camry hybrid transmission

    Toyota camry hybrid transmission

    Toyota camry hybrid transmission

    Toyota camry hybrid transmission

    Toyota camry hybrid transmission

    Toyota Camry Hybrid SE CVT Overview - Roadshow

    First introduced on the Prius , the technology is an option on several other Toyota and Lexus vehicles and has been adapted for the electric drive system of the hydrogen -powered Mirai , and for a plug-in hybrid version of the Prius. Its parts supplier Aisin Seiki Co. HSD technology produces a full hybrid vehicle which allows the car to run on the electric motor only, as opposed to most other brand hybrids which cannot and are considered mild hybrids.

    The HSD also combines an electric drive and a planetary gearset which performs similarly to a continuously variable transmission. The Synergy Drive is a drive-by-wire system with no direct mechanical connection between the engine and the engine controls: The name was changed in anticipation of its use in vehicles outside the Toyota brand Lexus ; the HSD-derived systems used in Lexus vehicles have been termed Lexus Hybrid Drive , was implemented in the Camry , and would eventually be implemented in the "third generation" Prius , and the Prius c.

    Toyota camry hybrid transmission

    Toyota's HSD system replaces a normal geared transmission with an electromechanical system. An internal combustion engine ICE delivers power most efficiently over a small speed range, but the wheels need to be driven over the vehicle's full speed range. In a conventional automobile the geared transmission delivers different discrete engine speed-torque power requirements to the wheels.

    Geared transmissions may be manual, with a clutch , or automatic, with a torque converter , but both allow the engine and the wheels to rotate at different speeds. The driver can adjust the speed and torque delivered by the engine with the accelerator and the transmission mechanically transmits nearly all of the available power to the wheels which rotate at a different rate than the engine, by a factor equal to the gear ratio for the currently selected gear.

    Toyota camry hybrid transmission

    However, there are a limited number of "gears" or gear ratios that the driver can choose from, typically four to six. This limited gear-ratio set forces the engine crankshaft to rotate at speeds where the ICE is less efficient, i. Optimal engine speed-torque requirements for different vehicle driving and acceleration conditions can be gauged by limiting either tachometer RPM rate or engine noise in comparison with actual speed.

    When an engine is required to operate efficiently across a broad RPM range, due to its coupling to a geared transmission, manufacturers are limited in their options for improving engine efficiency , reliability, or lifespan, as well as reducing the size or weight of the engine.

    This is why the engine for an engine-generator is often much smaller, more efficient, more reliable, and longer life than one designed for an automobile or other variable speed application. However, a continuously variable transmission allows the driver or the automobile computer to effectively select the optimal gear ratio required for any desired speed or power.

    Toyota camry hybrid transmission

    The transmission is not limited to a fixed set of gears. This lack of constraint frees the engine to operate at its optimal most efficient speed RPM. An HSD vehicle will typically run the engine at its optimal efficiency speed whenever power is needed to charge batteries or accelerate the car, shutting down the engine entirely when less power is required. Like a CVT , an HSD transmission continuously adjusts the effective gear ratio between the engine and the wheels to maintain the engine speed while the wheels increase their rotational speed during acceleration.

    This is why Toyota describes HSD-equipped vehicles as having an e-CVT electronic continuously variable transmission when required to classify the transmission type for standards specification lists or regulatory purposes.

    2018 Toyota Camry Development, Engine, Transmission, & Hybrid System



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