Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Apparatus for recirculating exhaust gases

Patent ·
OSTI ID:5849334
The invention discloses an apparatus for recirculating exhaust gases to an intake or suction system through an exhaust gas recirculating valve means to be operated in response to negative pressure in the suction system in an internal combustion engine, which comprises a second control valve means connected to a first control valve means of said recirculating valve device to respond to the negative pressure in an intake pipe to control the opening of the first control valve means in response to the load, whereby the proportion of an inert gas contained in an engine cylinder is made substantially constant in the partial load operation region.
Assignee:
Toyota Jidosha Kogyo Kabushiki Kaisha
Patent Number(s):
US 4112894
OSTI ID:
5849334
Country of Publication:
United States
Language:
English