crown wheel


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crown wheel

n
1. (Horology) horology the wheel next to the winding knob that has one set of teeth at right angles to the other
2. (Mechanical Engineering) the larger of the two gears in a bevel gear
References in periodicals archive ?
However truck axle is larger: the crown wheel has a larger diameter, the oil sump volume is more important; but the power transmitted is also higher.
The unit's wheels drive a crown wheel; one handle controls depth and gear operation.
Using a toothed crown wheel to move its two lateral chain loops, the motor rotates the trays like a dumbwaiter.
Instead of a torque-sensing centre differential there's now one with a crown wheel gear.
When a worm gear drive crown wheel failed due to overload on a crucial conveyor belt at British Sugar's plant in King's Lynn, the priority was to get things running again quickly - and the ultimate result was a minimum of 10% improved efficiency.
A two-stage turbine ran at up to 13,000rpm, with the transmission feeding the output to a rear-wheel drive system with a 5.5:1 reduction through a crown wheel and pinion and a locked differential.
The Volvo compact excavator boasts a number of advances: boom offset to work alongside walls; two travel speeds; direct slewing crown wheel drive; variable-width chassis; quick change attachment bracket for speedy job changes; control pattern selector for either excavator (ISO) or backhoe (SAE) operation; a tilting counterweight that provides both optimum machine protection and easy access the engine: and simultaneous digging and high speed operations for faster cycle times.
The crown wheel and pinion center drive and the differential housing form an assembly that can be exchanged as a single unit.
The only brass parts he used were in the pendulum and its pivot and the crown wheel. His shop contained a treadle-powered lathe and a hand-operated machine that cut the wooden gears.
Its engine comprises a two-stage turbine operating at up to 13,000rpm, with the transmission feeding the output to a rear-wheel drive system with a 5.5:1 reduction through a crown wheel and pinion and a locked differential.