×

Marine jet drive

  • US 6,045,418 A
  • Filed: 02/24/1998
  • Issued: 04/04/2000
  • Est. Priority Date: 05/13/1991
  • Status: Expired due to Fees
First Claim
Patent Images

1. In an improved marine jet drive for propelling a vessel with a forward and a rearward end, a driving means including an engine, an impeller, a drive shaft coupling the driving means to the impeller, an impeller housing around the impeller, a diffusor housing attached to the impeller housing, a nozzle housing attached to said diffusor housing and an intake duct disposed in front of said impeller housing, the improvement comprising:

  • (a) an inner housing, the inner housing disposed inside said diffusor housing and rotatively supporting the impeller;

    (b) a rear flexible coupling disposed within the inner housing, the rear flexible coupling flexibly connecting the impeller to the drive shaft; and

    (c) a forward flexible coupling, the forward flexible coupling flexibly connecting the driving means to the drive shaft.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×