Patent ID: 6289865
Filing Date: 2001-09-18
Classification: F01M

Abstract:
An oil pump for an automotive engine, comprising:a housing having a mating surface with a stepped opening, an oil pick-up tube having a pump end received in said stepped opening of said housing and including an insert cylinder of outer diameter D and an oil outlet, an outer diameter d tube portion, and a flared portion tapering from said insert cylinder to said outer diameter d tube portion, said pick-up tube further including a transporting tube portion extending from said pump end to an oil pick-up end, a radial flange about said transporting tube portion which seats against said mating surface of said housing for limiting the depth to which said pick-up tube may be inserted in said housing, and an o-ring seal disposed about said outer diameter d tube portion of said pump end wherein said diameter D of said insert cylinder is greater than said outer diameter d tube portion for keeping said o-ring seal about said pick-up tube prior to assembly in said oil pump.