Patent · US Expired

Combustion air blower for an auxiliary heater for a motor vehicle

US5172857A · kind A · utility

2Cited by

4References

4Claims

0Family size

Assignee

J. Eberspacher · DE

Inventors

Fritz Mohring · Esslingen am Neckar, DE
Martin Stoll · Biberach an der Riß, DE

Key dates

Filing date	Mar 16, 1990
Grant date	Dec 22, 1992
Priority date	—
Expiry date	Mar 16, 2010

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04D27/009
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A motor vehicle auxiliary heater annular combustion air blower is disclosed having a housing defining a suction side of the blower and a delivery side of the blower. The housing also defines a mounting bore which extends substantially perpendicular to the bypass channel. A rotary slide valve is provided in the form of a cylindrical pin member which is rotatable within said mounting bore and includes a surface before variable throttling of said bypass channel independence upon the rotational position of said rotary slide valve.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.