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Exhaust system of an internal combustion engine

Abstract

A catalytic converter system for internal combustion engines is described that includes a means to maintain the catalyst temperature within a predetermined range for the efficient reduction of nitrogen oxides in the exhaust gas. Upstream of the catalytic converter, the exhaust pipe is encased in a structure such that a space is provided for the flow of a coolant around the exhaust pipe in response to the sensed catalytic temperature. A coolant control valve is actuated in response to the temperature sensor.
Publication Date:
Sep 04, 1974
Product Type:
Patent
Report Number:
GB 1365604
Reference Number:
EDB-77-050099
Resource Relation:
Patent Priority Date: Priority date 14 Apr 1972, Japan
Subject:
33 ADVANCED PROPULSION SYSTEMS; CATALYTIC CONVERTERS; DESIGN; INTERNAL COMBUSTION ENGINES; AIR POLLUTION CONTROL; NITROGEN OXIDES; REDUCTION; TEMPERATURE CONTROL; VALVES; CHALCOGENIDES; CHEMICAL REACTIONS; CONTROL; CONTROL EQUIPMENT; ENGINES; EQUIPMENT; FLOW REGULATORS; NITROGEN COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; POLLUTION CONTROL; POLLUTION CONTROL EQUIPMENT; 330701* - Emission Control- Nitrogen Oxides
OSTI ID:
7232445
Country of Origin:
United Kingdom
Language:
English
Submitting Site:
APA
Size:
Pages: 4
Announcement Date:
May 13, 2001

Citation Formats

None. Exhaust system of an internal combustion engine. United Kingdom: N. p., 1974. Web.
None. Exhaust system of an internal combustion engine. United Kingdom.
None. 1974. "Exhaust system of an internal combustion engine." United Kingdom.
@misc{etde_7232445,
title = {Exhaust system of an internal combustion engine}
author = {None}
abstractNote = {A catalytic converter system for internal combustion engines is described that includes a means to maintain the catalyst temperature within a predetermined range for the efficient reduction of nitrogen oxides in the exhaust gas. Upstream of the catalytic converter, the exhaust pipe is encased in a structure such that a space is provided for the flow of a coolant around the exhaust pipe in response to the sensed catalytic temperature. A coolant control valve is actuated in response to the temperature sensor.}
place = {United Kingdom}
year = {1974}
month = {Sep}
}