Motor vehicle exhaust gas heat exchanger for heating engine cool

Details Motor vehicle exhaust gas heat exchanger for heating engine cool Motor vehicle exhaust gas heat exchanger for heating engine cool

1986-03-19

1987-08-11

Cline, William R.

Internal-combustion engines

With heating means

123 4133, 123196AB, 165 51, 165140, 165 35, 60320, F02N 1702, F01M 100

Patent

active

046854304

ABSTRACT:
The invention relates to a motor vehicle heat exchagner, the heat exchanger comprising a fluid box (10) having the ends of tubes (22) opening out therein, said tubes constituting a heat exchange bundle located inside an envelope (24). Engine exhaust gases flow through said box (10) and said tubes (22), and engine cooling liquid or cabin heater air flow through said envelope (24). The envelope is connected to the fluid box (10) by a tubular element (30) and a perforated plate (18). The envelope (24) is made of a lightweight material which need not be capable of witstanding exhaust gas temperatures.

REFERENCES:
patent: 1937514 (1933-12-01), Foutz
patent: 2268979 (1942-01-01), Williamson et al.
patent: 2303613 (1942-12-01), Charlton
patent: 2617399 (1952-11-01), Backus
patent: 2916030 (1959-12-01), Hoeth
patent: 4258676 (1981-03-01), Lamm
patent: 4391235 (1983-07-01), Majkrzak
patent: 4537349 (1985-08-01), Stolz

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