Patents

US 12680519 B2: Engine assembly oil management

Granted
2026-07-14
Filed
2024-04-29 application 18650021
Type
Utility · 22 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

The present disclosure relates to an engine assembly for a vehicle. The engine assembly includes an oil reservoir to receive oil from a crankcase. The oil reservoir is external to the crankcase and positioned rearward of the crankcase. The engine assembly also includes at least one scavenge pump configured to pump the oil from an oil collection pan. The scavenge pump is positioned within the crankcase forward of the crankshaft and includes a suction tube extending rearwardly to a low point in the oil collection pan. The engine assembly further includes a drive mechanism to drive a feed pump and the at least one scavenge pump with the crankshaft. The drive mechanism includes an oil pump shaft to drive the feed pump and includes a gear train coupled to the oil pump shaft to drive the at least one scavenge pump.

Source: PTBLXML, file of 2026-07-14 (ipgb20260714.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
Arctic Cat Inc. 190 patentsUS company or organizationThief River Falls, MNArctic Cat Inc. State business registration EXACT high confidence: identical full name and state
ARCTIC CAT INC. Federal lobbying client EXACT high confidence: identical full name and state
ARCTIC CAT INC SEC filer EXACT medium confidence: identical full name, one of each nationally
PTBLXML, file of 2026-07-14

Inventors

InventorPlacePatentsPerson pageSource
Ralf CentmayerMarkdorf, DE4PTBLXML, file of 2026-07-14
Jochen HämmerleWaldburg, DEPTBLXML, file of 2026-07-14
Dirk WinklerStetten, DEPTBLXML, file of 2026-07-14

CPC categories

SubclassCategoryFirst groupSource
F02FCylinders, pistons or casings, for combustion engines; arrangements of sealings in combustion enginesF02F7/0031PTBLXML, file of 2026-07-14
F01LCyclically operating valves for machines or enginesF01L1/053PTBLXML, file of 2026-07-14

Cooperative Patent Classification, as currently assigned (one row per subclass).

Assignments and security interests

RecordedWhatFromToReel/frameSource
2024-10-31Assignment
Assignment of assignor's interest
TEXTRON MOTORS, GMBH signed 2024-06-18ARCTIC CAT INC. THIEF RIVER FALLS, MN69098/136PASDL, file of 2026-10-15
2024-10-31Assignment
Assignment of assignor's interest
CENTMAYER, RALF signed 2024-04-22
HÄMMERLE, JOCHEN signed 2024-04-22
WINKLER, DIRK signed 2024-04-22
TEXTRON MOTORS, GMBH MARKDORF69098/123PASDL, file of 2026-10-15

Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.

USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.