Patent · US Active

Integrated engine-jet pump drive unit for marine application

US7220155B2 · kind B2 · utility

0Cited by

6References

11Claims

0Family size

Assignee

BRP-ROTAX GMBH & CO. KG · AT

Inventors

Norbert Korenjak · Stadl-Paura, AT
Heinz Kuzel · Schwanenstadt, AT

Key dates

Filing date	Jun 13, 2006
Grant date	May 22, 2007
Priority date	—
Expiry date	Jun 13, 2026

Classification

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

Abstract

A watercraft includes a shell, a ride plate, an internal combustion engine, and a jet pump. The shell defines a tunnel that extends forwardly from the transom and is defined laterally by the shell. The tunnel is open at its bottom The ride plate mounts to the shell under the tunnel. The engine and jet pump are supported by the ride plate and disposed in the tunnel. The engine drives the jet pump. The engine is cooled by water that continuously flows past the ride plate. The engine, jet pump, and ride plate are installed from below or the behind the shell.

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