PUMPING UNITS CONSISTING CENTRIFUGAL

Brand	Owner	Address	Description
METAULLICS	PYROTEK, INC.	E. 9503 Montgomery Ave. Spokane WA 99206	pumping units consisting of centrifugal pumps, filters, and degassers for molten metal and parts thereof;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

An oil pump mechanism is incorporated in a chain saw having a centrifugal clutch and a saw chain adapted to be driven through the centrifugal clutch and activated in synchronization with the centrifugal clutch to supply a lubricating oil to the saw chain. The mechanism includes a crankshaft, a clutch shoe being mounted on the centrifugal clutch and being connected in driven relation to the crankshaft, a clutch drum disposed coaxially around the crankshaft, a worm fitted on the crankshaft by insertion in a freely rotatable manner and connected in driven relation to the clutch drum to be integrally rotated with the clutch drum, a driven gear engaged with the worm, and a movable pumping element for pumping the lubricating oil. The worm has an inner portion located opposed to the crankshaft and an outer portion including a tooth region. The inner portion is made of self-lubricating resin and the outer portion is made of wear-resistant metal.