Oil drain valve

Patent · Tue May 24 04:00:00 EDT 1988

OSTI ID:6911481

Laipply, R A; Fournier, P J.E.

An oil drain fitting for internal combustion engines is described comprising, in combination, an elongated tubular body having an inner end and an outer end, a passage axially extending through the body intersecting the ends, an external thread defined on the body adjacent the inner end for threading the body into an engine drain hole, valve operating attachment means defined on the body adjacent the outer end, a tubular valve axially reciprocally mounted within the passage having an open end adjacent the body outer end and a closed end adjacent the body inner end, a valve seat defined on the body adjacent the inner end, a valve head defined on the valve closed end engagable with the seat when the valve is axially positioned to a closed position, a port defined in the valve adjacent the head communicating with the interior of the valve whereby oil will flow into the valve when the valve is axially positioned to an open position when the head disengages the seat, spring means mounted on the body axially biasing the valve toward the closed position, and valve actuating means defined on the valve for axially displacing the valve from the closed position to the open position.

• Assignee: Aeroquip Corp., Jackson, MI
• Patent Number(s): US 4745894
• OSTI ID: 6911481
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
CONTROL EQUIPMENT
DESIGN
DRAINAGE
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
JOINTS
LIQUID FLOW
LUBRICANTS
LUBRICATING OILS
LUBRICATION
OILS
OPERATION
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
THREADED JOINTS
VALVES