Internal-combustion engines – Charge forming device – Heating of combustible mixture
Patent
1991-09-24
1992-05-26
Cross, E. Rollins
Internal-combustion engines
Charge forming device
Heating of combustible mixture
123552, 123546, 219505, 219552, F02M 3100
Patent
active
051157870
ABSTRACT:
A spark ignition combustion engine has a cylinder, an air inlet duct, a fuel injector, and a cylinder head having an inlet valve and a passage arranged to form and furnish an air-fuel mixture to the cylinder through the passage and has a heating element including a heat sink in the form of a hollow flat metal box having an integral connecting piece arranged with the connecting piece sealed in an opening in a wall of the duct or passage by a circumferential O-ring so that the flat metal box of the heat sink protrudes into the duct or passage to heat the air-fuel mixture. Two tablets of PTC resistance material are disposed within the flat metal box and are pressed resiliently against respective flat opposite inner sides of the box by a conductive spring disposed between the tablets, and an electrical wire leads from the spring through the connecting piece to connect the tablets to an electrical power source.
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Baumann Russell E.
Cross E. Rollins
Donaldson Richard L.
Grossman Rene E.
Macy M.
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