Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent
1986-06-23
1988-10-18
Nozick, Bernard
Gas separation
With nonliquid cleaning means for separating media
Solid agent cleaning member movingly contacts apparatus
55316, 55387, 55208, 123519, 123549, 219202, 219504, 219505, B01D 5100
Patent
active
047784954
ABSTRACT:
A cover for an automotive vapor canister has a heat-spreading member heated by a self-regulating electrical resistance heater of positive temperature coefficient of resistivity for heating air which is periodically introduced into the canister for purging the canister. The cover has a first cover means of thermally insulating material defining a thin inner air flow path section to pass air being introduced into the canister over the heat-spreading member for transferring heat to the air and to receive additional heat within the first cover means and has a second cover means of thermally insulating material defining a thin outer air flow path section overlying and connected with the inner air flow path section to pass the air over the first cover means prior to being advanced into the inner flow path section for withdrawing said additional heat from the first cover means to preheat the air and improve air heating efficiency.
REFERENCES:
patent: 3476293 (1969-11-01), Marcoux
patent: 4108125 (1978-08-01), Marcoux
patent: 4193383 (1980-03-01), Rogers
patent: 4206645 (1980-06-01), Orcutt
patent: 4406758 (1983-09-01), Siefer
patent: 4473054 (1984-09-01), Marcoux et al.
patent: 4598687 (1986-07-01), Lupoli et al.
Berg Peter G.
Bishop Robert P.
Offiler Stephen B.
Haug John A.
McAndrews James P.
Nozick Bernard
Sharp Melvin
Texas Instruments Incorporated
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