Propeller equipped apparatus for exhaust pipes
US4897068A · kind A · utility
Inventor
Key dates
| Filing date | Jan 30, 1989 |
| Grant date | Jan 30, 1990 |
| Priority date | — |
| Expiry date | Jan 30, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2290/04
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A propeller equipped apparatus (10) for use in combination with the exhaust tailpipe (110) of a vehicle (100) wherein the apparatus (10) includes a mounting unit (11) including a housing member (13) having a stem element (16) which terminates in a shaft member (20); and, a propeller unit (12) including a propeller assembly (30) mounted on the shaft member (20) wherein the axis of rotation of the propeller assembly (30) generally coincides with the longitudinal axis of the exhaust tailpipe (110).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.