Patent · US Expired

Propeller equipped apparatus for exhaust pipes

US4897068A · kind A · utility

7Cited by
6References
6Claims
0Family size

Inventor

Key dates

Filing dateJan 30, 1989
Grant dateJan 30, 1990
Priority date
Expiry dateJan 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.