VACUUM PUMP FOR A FIRE TRUCK PREVENTING ENVIRONMENTAL CONTAMINATION

摘要

PURPOSE: A vacuum pump for a fire truck is provided to reduce the abrasion thereof and to increase durability and a vacuum degree.;CONSTITUTION: An inlet and an outlet are formed in the housing. Front and rear covers(42,43) are installed in front and rear sides of the housing. The rotor is fixed inside the housing horizontally with an eccentric shaft(44). The vane is inserted the outer circumference of the rotor in order to integrally rotates along with the eccentric shaft. Five cutout grooves are formed on the rotor in a radial direction from the center part, and inserted into the five vanes.;COPYRIGHT KIPO 2010