The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 30, 2004
Filed:
Jan. 22, 2002
Terence James Roycroft, Waiuku, NZ;
Gibbs Technologies Limited, , GB;
Abstract
Amphibious vehicle power train comprises a prime mover , transfer drive , transmission , and differential . A marine drive power take-off (PTO) comprises chain, belt, or gear drive, and optional decoupler . Rotational axis of marine drive shaft and impeller shaft of centrifugal pump are substantially perpendicular to longitudinal vehicle axis . The driven road wheels may be the rear wheels. Alternative embodiments comprise PTO drive from differential (FIG. ); from the crankshaft timing end ( , FIG. ); or by a sandwich PTO between engine and transmission ( , FIG. ). FIG. shows PTO's from the gearbox of a motorcycle type power train, driving centrifugal pump and differential . At least one further decoupler may be provided in wheel driveshafts , to disconnect drive thereto while the amphibian is used in marine mode. The prime mover may be an engine or may be an electric motor.