Inlet structure for water jet apparatus mounted to boat hull
US6224435A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 24, 1999 |
| Grant date | May 1, 2001 |
| Priority date | — |
| Expiry date | Dec 24, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H2011/081
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A marine craft has with an inlet ramp, which increases in height as the inlet ramp extends rearward, and a cavity which communicates at its front with the rear of the inlet ramp. The cavity is open at its bottom and its rear. The marine craft is propelled by a jet pump apparatus having an inlet housing which is installed in the aforementioned hull cavity. The inlet housing defines an inlet volume in flow communication with the inlet ramp and a water tunnel in flow communication with the inlet volume. The inlet volume has a height which increases as it extends rearward. The inlet ramp and the inlet housing each have a lower U-shaped boundary, which boundaries are connected to form a generally rectangular inlet for water being sucked in by the water jet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.