Temperature sensing device for a hot gas engine heater head

Details Temperature sensing device for a hot gas engine heater head Temperature sensing device for a hot gas engine heater head

1978-12-21

1981-02-10

Ostrager, Allen M.

Power plants

Motor operated by expansion and/or contraction of a unit of...

Unit of mass is a gas which is heated or cooled in one of a...

60524, 73359R, F02G 104

Patent

active

042493773

ABSTRACT:
An improved hot gas engine heater head where a thermocouple is coaxially positioned in an isolation tube having one closed end and the isolation tube is coaxially positioned in one of a plurality of heater tubes forming a part of a working gas path between two variable volume chambers and traversing a combustion gas flow path. The thermo-couple is in heat-transfer contact with the working gas and is physically isolated from the working and combustion gases. The temperature signal from the thermo-couple is conducted by a conduction wire passing through heat insulating material such that neither the thermo-couple nor the conduction wire is exposed directly to the working gas or the combustion gas.

REFERENCES:
patent: 2564097 (1951-08-01), Rinia et al.
patent: 3956892 (1976-05-01), Nystrom
patent: 4075844, Schiferli

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