Lafert custom-designs motor for Dirt Driver
A
Lafert Electric Motors product story
Edited by the Engineeringtalk editorial team
Oct 9, 2008
Lafert has custom-made a motor for Dirt Driver.
When Dirt Driver water and steam pressure washers were redesigned to eliminate the belt-drive mechanism and its inherent maintenance requirements, the obvious solution was a direct-drive arrangement compatible with the three-piston Hawk pumps used for the pressure washers.
But this necessitated a special motor.
Lafert custom-engineered a motor with a special mounting flange and a female threaded shaft mounted on a single rear-end bearing.
This design permits a close-coupled assembly using the existing standard twin bearing Hawk pump while minimising stress resulting from potential misalignment.
The result is an efficient, compact and low-maintenance system.
The motors for Dirt Driver's water and steam pressure washers are smooth-running 2.2kW single phase and 4kW three phase units; both are 4-pole machines to give smooth, low stress pump operation.
The motors are used on static washers that are enclosed units (can be supplied tamper proof) and trolley based units, respectively.
Standard production steam and cold water units offer 3000psi at 30 litres.
Dirt Driver also manufactures petrol and diesel driven units for use on sites without electricity.
Areas of application for the Dirt Driver washers include: cars, lorries, trains, agricultural vehicles and military (tanks and aircraft).
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