Patent · US Active

Engine for driving a watercraft propelled by a water jet

US7597600B2 · kind B2 · utility

1Cited by
38References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 1, 2007
Grant dateOct 6, 2009
Priority date
Expiry dateNov 1, 2027

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB63H21/14
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A system for driving a water induction and discharge system of a watercraft propelled by a water jet includes a water impeller, an engine including a driven shaft and a first chamber for containing engine oil, a second chamber for containing engine oil, a pinion secured to the driven shaft and located in the second chamber, a gear located in the second chamber, engaged with the pinion and driveably connected to the water impeller, and a dam located in the second chamber for limiting oil flow across the dam into the oil contained in the second chamber.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.