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US5067561A Expired / Lapsed US ⏱️ 0.0 years remaining

Radiator tank oil cooler

Assignee: Motors Liquidation Co
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Filing: 1990-11-30
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Granted: 1991-11-26
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Expires: 2010-11-30
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Abstract

Abstract Baffles are arranged relative to an oil cooler mounted in one of the tanks of a motor vehicle radiator so as to force coolant through the oil cooler rather than allow coolant to bypass same for enhanced heat transfer.

Inventors

  • 👤 Shrikant M. Joshi
  • 👤 Frederick V. Oddi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 13:43
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/22; F01; F01P; F01P11/00; F01P11/08; F28F9/02; F28F9/0234; F28F9/026; F28F9/0265; Y; Y10; Y10S; Y10S165/00; Y10S165/916

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 147 words
In combination, a motor vehicle radiator having a tank, a plurality of radiator tubes connected at one end thereof to said tank, a fitting on said tank for directing liquid into or out of said tank to or from respectively the one end of said radiator tubes, an oil cooler mounted in said tank between the one end of said radiator tubes and said fitting, said oil cooler having a row of tubes extending past and open to the one end of said radiator tubes, said tank having an interior side facing said oil cooler, and baffle means on opposite sides of the one end of said radiator tubes extending between said interior side of said tank and the oil cooler tubes so as to force liquid flowing between said fitting and the one end of said radiator tubes to pass transversely between said oil cooler tubes.
Claim 2
Dependent Claim 147 words
In combination, a motor vehicle radiator having a tank, a plurality of radiator tubes connected at one end thereof to said tank, a fitting on said tank for directing liquid into or out of said tank to or from respectively the one end of said radiator tubes, an oil cooler mounted in said tank between the one end of said radiator tubes and said fitting, said oil cooler having a row of tubes extending past and open to the one end of said radiator tubes, said tank having an interior side facing said oil cooler, and baffle means on opposite sides of the one end of said radiator tubes extending between said interior side of said tank and the oil cooler tubes so as to force liquid flowing between said fitting and the one end of said radiator tubes to pass transversely between said oil cooler tubes.
Claim 3
Dependent Claim 174 words
In combination, a motor vehicle radiator having a tank, a plurality of radiator tubes connected at one end thereof to said tank, a fitting on said tank for directing liquid into or out of said tank to or from respectively the one end of said radiator tubes, an oil cooler mounted in said tank between the one end of said radiator tubes and said fitting, said oil cooler having a row of tubes extending past and open to the one end of said radiator tubes, said tank having an interior side facing said oil cooler, and baffle means on opposite sides of the one end of said radiator tubes extending between said interior side of said tank and the oil cooler tubes at each end of said row for baffling flow away from between the interior side of said tank and the end oil cooler tubes so as to force most of the liquid flowing between said fitting and the one end of said radiator tubes to pass transversely between said oil cooler tubes.
Claim 4
Dependent Claim 174 words
In combination, a motor vehicle radiator having a tank, a plurality of radiator tubes connected at one end thereof to said tank, a fitting on said tank for directing liquid into or out of said tank to or from respectively the one end of said radiator tubes, an oil cooler mounted in said tank between the one end of said radiator tubes and said fitting, said oil cooler having a row of tubes extending past and open to the one end of said radiator tubes, said tank having an interior side facing said oil cooler, and baffle means on opposite sides of the one end of said radiator tubes extending between said interior side of said tank and the oil cooler tubes at each end of said row for baffling flow away from between the interior side of said tank and the end oil cooler tubes so as to force most of the liquid flowing between said fitting and the one end of said radiator tubes to pass transversely between said oil cooler tubes.
Claim 5
Dependent Claim 178 words
In combination, a motor vehicle radiator having a tank, a plurality of radiator tubes connected at one end thereof to said tank, a fitting on said tank for directing liquid into or out of said tank to or from respectively the one end of said radiator tubes, an oil cooler mounted in said tank between the one end of said radiator tubes and said fitting, said oil cooler having a row of tubes extending past and open to the one end of said radiator tubes, said tank having an interior side facing said oil cooler, and perforated baffle means on opposite sides of the one end of said radiator tubes extending between said interior side of sad tank and the oil cooler tubes at each end of said row for baffling flow away from between the interior side of said tank and the end oil cooler tubes so as to force a predetermined major portion of the liquid flowing between said fitting and the one end of said radiator tubes to pass transversely between said oil cooler tubes.
Claim 6
Dependent Claim 178 words
In combination, a motor vehicle radiator having a tank, a plurality of radiator tubes connected at one end thereof to said tank, a fitting on said tank for directing liquid into or out of said tank to or from respectively the one end of said radiator tubes, an oil cooler mounted in said tank between the one end of said radiator tubes and said fitting, said oil cooler having a row of tubes extending past and open to the one end of said radiator tubes, said tank having an interior side facing said oil cooler, and perforated baffle means on opposite sides of the one end of said radiator tubes extending between said interior side of sad tank and the oil cooler tubes at each end of said row for baffling flow away from between the interior side of said tank and the end oil cooler tubes so as to force a predetermined major portion of the liquid flowing between said fitting and the one end of said radiator tubes to pass transversely between said oil cooler tubes.
Claim 7
Dependent Claim 181 words
In combination, a motor vehicle radiator having a tank, a plurality of radiator tubes connected at one end thereof to said tank, a fitting on said tank for directing liquid into or out of said tank to or from respectively the one end of said radiator tubes, an oil cooler mounted in said tank between the one end of said radiator tubes and said fitting, said oil cooler having a row of tubes extending past and open to the one end of said radiator tubes, said tank having an interior side facing said oil cooler, and baffle means on opposite sides of the one end of said radiator tubes extending between said interior side of said tank and the oil cooler tubes at each end of said row for baffling flow away from between the interior side of said tank and the end oil cooler tubes so as to force liquid flowing between said fitting and the one end of said radiator tubes to pass transversely between said oil cooler tubes while preventing liquid flow around the end oil cooler tubes.
Claim 8
Dependent Claim 181 words
In combination, a motor vehicle radiator having a tank, a plurality of radiator tubes connected at one end thereof to said tank, a fitting on said tank for directing liquid into or out of said tank to or from respectively the one end of said radiator tubes, an oil cooler mounted in said tank between the one end of said radiator tubes and said fitting, said oil cooler having a row of tubes extending past and open to the one end of said radiator tubes, said tank having an interior side facing said oil cooler, and baffle means on opposite sides of the one end of said radiator tubes extending between said interior side of said tank and the oil cooler tubes at each end of said row for baffling flow away from between the interior side of said tank and the end oil cooler tubes so as to force liquid flowing between said fitting and the one end of said radiator tubes to pass transversely between said oil cooler tubes while preventing liquid flow around the end oil cooler tubes.
Claim 9
Dependent Claim 29 words
The combination as set forth in claim 4 wherein each said baffle means is formed from sheet material with a convex side to coolant flow from the radiator tubes.
Claim 10
Dependent Claim 194 words
In combination, a motor vehicle radiator having a tank, a plurality of radiator tubes connected at one end thereof to said tank, a fitting on said tank for directing liquid into or out of said tank to or from respectively the one end of said radiator tubes, an oil cooler mounted in said tank between the one end of said radiator tubes and said fitting, said oil cooler having a row of tubes extending past and open to the one end of said radiator tubes, said tank having an interior side facing said oil cooler, and perforated baffle means on opposite sides of the one end of said radiator tubes extending between said interior side of said tank and the oil cooler tubes at each end of said row for baffling flow away from between the interior side of said tank and the end oil cooler tubes so as to force a major portion of the liquid flowing between said fitting and the one end of said radiator tubes to pass transversely between said oil cooler tubes while allowing a minor portion of the liquid flow to pass around the end oil cooler tubes.
Claim 11
Dependent Claim 194 words
In combination, a motor vehicle radiator having a tank, a plurality of radiator tubes connected at one end thereof to said tank, a fitting on said tank for directing liquid into or out of said tank to or from respectively the one end of said radiator tubes, an oil cooler mounted in said tank between the one end of said radiator tubes and said fitting, said oil cooler having a row of tubes extending past and open to the one end of said radiator tubes, said tank having an interior side facing said oil cooler, and perforated baffle means on opposite sides of the one end of said radiator tubes extending between said interior side of said tank and the oil cooler tubes at each end of said row for baffling flow away from between the interior side of said tank and the end oil cooler tubes so as to force a major portion of the liquid flowing between said fitting and the one end of said radiator tubes to pass transversely between said oil cooler tubes while allowing a minor portion of the liquid flow to pass around the end oil cooler tubes.

References Cited (Backward Citations)

US2054403A Cited
DE557762C Cited
US2014028A Cited
US4227570A Cited
US4373578A Cited
US4700774A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-11-25 1995-05-27 1995-11-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-11-25 1999-05-27 1999-11-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-11-25 2003-05-27 2003-11-26 $7700.00 Window Closed / Lapsed

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