Automobile gasoline impurities removal apparatus
AssigneeEmpire Research and Development Corporation
InventorMark Lynne
Life of this patent
Estimating the term…
Abstract
A gasoline filter for the entranceway to a gas tank filler tube has three preferred embodiments. The first includes a semipermanently mounted cap having a bore in which there is disposed a removable cylindrical filter element. The element is seated on a rotatable retainer for alignment with an eccentric opening in the filler tube entranceway. Normally closed resiliently mounted doors seal the entranceway but permit a gas pump nozzle to be inserted into the entranceway. The second embodiment has an integral hinged door atop the filter element for use with a conventional gas cap. The third embodiment has dual hinged doors mounted within the bore of the filter element arranged to be opened automatically by a pusher bushing when a gasoline dispensing nozzle is inserted in the gas tank filler tube.
Claims13
Automobile gasoline impurities removal apparatus for preventing contaminants from entering the gasoline tank filler tube of an automobile, comprising:
- upper support means having means defining a bore for passing a flow of liquid and a shoulder for mounting adjacent the upper end of the filler tube of an automobile gas tank,
- filter means having a proximal end mounted on and downwardly extending from said upper support means and having an elongated mesh wall, and
- gas cap means releasably securable to the upper end of said filler tube, said cap means including means defining an axial bore having an upper end for receiving a nozzle from a gasoline pump and a lower end proximate the upper end of said upper support means, the bores of said cap means and upper support means being in substantial alignment for permitting gasoline exiting from the gasoline pump nozzle into said cap means to enter said upper support means and the bore of said filter means, and means for retaining said upper support means in a position adjacent the lower of said cap means, said retaining means rotatably mounted on said cap means for aligning the bore in said filter means with the bore in said filler tube.
Automobile gasoline impurities removal apparatus comprising;
- a cap member having an upper member and a lower member rotatably mounted under said upper member, said upper member having means defining a bore and said lower member having means defining an eccentrically disposed aperture in communication with said bore, and
- filter means releasably mounted on said lower member and having means defining a bore in communication with said aperture, said filter having an axis rotatable about the axis of the bore in said cap.
Automobile gasoline impurities removal apparatus comprising:
- upper support means having means defining a bore adapted to pass a flow of liquid and a shoulder for mounting adjacent the entranceway to the filling spout of an automobile gas tank,
- filter means having a proximal end mounted on and downwardly extending from said upper support means and having an elongated mesh wall,
- door means having a plurality of members pivotally mounted within the bore of said upper support means for rotation between a closed position obstructing said bore and an open position providing an opening through said bore,
- spring means for urging said door means into said normally closed position and
- pusher means slidably mounted in said bore of said upper support means adjacent said door means, said pusher means having an upper surface for receiving an externally applied force within said bore of said upper support means and moving in response thereto against said door members for moving them against the force of said spring means into said open position.
Dependencies are inferred from the claim text.