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Dog clutch used to drive the rotating platter in a microwave oven. Dog clutch (disengaged) on the countershaft gears of the Honda CBR600RR transmission.. A dog clutch (also known as a dog box, dog gears, dog ring, clutch dog, or positive clutch) is a type of clutch that couples two rotating shafts or other rotating components by engagement of interlocking teeth or dogs rather than by friction.
The dog clutch contrasts with the friction clutch, the most basic form of which comprises a smooth disc and pressure plate: when pressed together they lock up simply through friction, which permits some degree of slip as the mating pressure is modulated and thus permits some difference in the rotational speeds of the discs.
There are many different types of hand pump available, mainly operating on a piston, diaphragm or rotary vane principle with a check valve on the entry and exit ports to the chamber operating in opposing directions. Most hand pumps are either piston pumps or plunger pumps, and are positive displacement. [1]
Automated manual transmissions can be semi-automatic or fully-automatic in operation. Several different systems to automate the clutch and/or shifting have been used over the years, but they will generally use one of the following methods of actuation for the clutch and/or shifting: hydraulic or electro-hydraulic actuation, [12] electro-mechanical, [13] pneumatic, [6] [14] [15] electromagnetic ...
This allows relay races to be set up with multiple cars. A few pullback motors are used in toys other than cars. The K'Nex construction toy has such a motor, as have some later Meccano sets. The very simplest of these motors may use a stretched rubber band as a linear spring, rather than a coil spring.
Specialized gear designs allow this. One of the more common designs splits the gear into two gears, each half the thickness of the original. One half of the gear is fixed to its shaft while the other half of the gear is allowed to turn on the shaft, but pre-loaded in rotation by small coil springs that rotate the free gear relative to the fixed ...
3-wheeled handcar or velocipede on a railroad track Preserved railroad velocipede on exhibit at the Toronto Railway Historical Association. A handcar (also known as a pump trolley, pump car, rail push trolley, push-trolley, jigger, Kalamazoo, [1] velocipede, or draisine) is a railroad car powered by its passengers or by people pushing the car from behind.
The transmission is equipped with two oil pumps to ensure an energy-efficient supply of long-life synthetic fuel-economy low-friction oil: a mechanical rotary vane pump with chain drive, which is significantly smaller than its predecessor and located next to the main shaft, and a pump driven by a brushless electric DC motor. [10]