US3344854A - Anticlog device for engine radiators - Google Patents

Anticlog device for engine radiators Download PDF

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Publication number
US3344854A
US3344854A US473354A US47335465A US3344854A US 3344854 A US3344854 A US 3344854A US 473354 A US473354 A US 473354A US 47335465 A US47335465 A US 47335465A US 3344854 A US3344854 A US 3344854A
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United States
Prior art keywords
radiator
screen
engine
radiator structure
belt screen
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Expired - Lifetime
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US473354A
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Myron J Boyajian
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Allis Chalmers Corp
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Allis Chalmers Corp
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Priority to US473354A priority Critical patent/US3344854A/en
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Assigned to WOODS KATHLEEN D., AS TRUSTEE, CONNECTICUT NATIONAL BANK THE, A NATIONAL BANKING ASSOCIATION AS TRUSTEE reassignment WOODS KATHLEEN D., AS TRUSTEE SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ALLIS-CHALMERS CORPORATION A DE CORP.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/06—Cleaning; Combating corrosion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/12—Filtering, cooling, or silencing cooling-air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/06—Cleaning; Combating corrosion
    • F01P2011/063—Cleaning

Definitions

  • heat exchangers such as engine radiators have become clogged due to airborne particles lodging in the cooling air passageways. This has prompted use of a fixed or removable screen which requires periodic cleaning to maintain proper cooling of the engine coolant. In some instances a screen is not used but there remains the need to periodically clean the radiator air cooling passageways.
  • the disadvantage of the prior art constructions has been that the vehicle in which the engine is used is not available during the cleaning operation.
  • FIG. 1 is a perspective view of an engine radiator structure incorporating the present invention.
  • FIG. 2 is a top view of the structure shown in FIG. 1 and showing its relation to an engine.
  • the engine radiator structure 11, secured to support structure 15, 15' and 20, serves as a heat exchanger for reducing the temperature of the coolant circulated through the engine 12 by an engine driven pump (not shown).
  • the engine driven pump draws fluid from the radiator through hose 13 and connection 14 and delivers it to cooling passages in the engine block.
  • the engine coolant passing from the engine to the top tank 17 of the radiator 11 by way of hose 19 and connection 18, passes downwardly through tubes 16 to a bottom tanklike portion 30 to which outlet connection 14 is attached.
  • the engine fan 22 pushes the air through the radiator 11 in the direction indicated by arrow 23 in FIG. 1 and arrow 23' in FIG. 2.
  • the vertical tubes are spaced transversely from one another to provide air flow passageways 26 between front and rear end of the radiator.
  • the radiator When working in areas where the air is ladden with debris such as might be expected in cotton warehousing operations, the radiator will tend to become plugged by the cotton lint carried by the air.
  • I provide vertically disposed rollers 32, 34 at opposite lateral sides of the radiator for permitting the screen to be moved around the radiator in its endless path.
  • the rollers 32, 34 are rotatably mounted on the radiator structure by brackets 36, 37.
  • a continuous movement of the screen is permitted by provision of power means in the form of an electric motor 41 secured to the radiator.
  • the drive shaft of the motor 41 is shown connected directly to one of the rollers 34 although it may be desired to provide a speed reducer.
  • a switch 42 may be provided to disconnect the motor from the battery 45 thus making operation of the motor selective.
  • I provide guide strips 43, 43' on the upper and lower portions of the radiator 11 at the front and rear ends thereof. It will be noted that the transverse width of the screen is less than the distance between the radiator coolant connections 14, 18.
  • the screen continuously filters airborne particles out of the air passing through the radiator and the air forced through the radiator by the fan serves to clean such particles from the screen at the opposite side of the radiator.
  • the air may be so ladden with foreign particles that it is desired to continuously rotate the screen. In which event this may be readily accomplished with my present invention.
  • a suitable switch 42 is provided in the motor power circuit so that the motor may be selectively energized.
  • an engine radiator structure having passageways between opposite ends thereof for flow of cooling air therethrough
  • mounting means supporting said belt screen including at least two rollers rotatably mounted on brackets on one of said structures at opposite sides of said radiator structure,

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Description

1967 M. J. BOYAJIAN 39 9 ANTICLOG DEVICE FOR ENGINE RADIATORS Filed July 20, 1965 Q M/w w United States Patent I O 3 344 854 ANTICLOG DEVIC FOl ENGINE RADIATORS Myron J. Boyajian, Chicago, Ill., assignor to Allisgh almers Manufacturing Company, Milwaukee,
Filed July 20, 1965, Ser. No. 473,354 3 Claims. (Cl. 165-119) cooling medium by the provision of a movable endless belt screen around the heat exchanger.
Heretofore, heat exchangers such as engine radiators have become clogged due to airborne particles lodging in the cooling air passageways. This has prompted use of a fixed or removable screen which requires periodic cleaning to maintain proper cooling of the engine coolant. In some instances a screen is not used but there remains the need to periodically clean the radiator air cooling passageways. The disadvantage of the prior art constructions has been that the vehicle in which the engine is used is not available during the cleaning operation.
It is an object of the present invention to provide filtering or screening means for preventing airborne particles from lodging in the radiator without need for stopping the engine or vehicle to clean such means.
It is a further object of this invention to provide screening means for preventing clogging of an engine radiator which utilizes the air flow through the radiator to effect cleaning of the screening means.
These and other objects and advantages of this invention will be apparent from the following description when read in conjunction with the drawings in which:
FIG. 1 is a perspective view of an engine radiator structure incorporating the present invention; and
FIG. 2 is a top view of the structure shown in FIG. 1 and showing its relation to an engine.
Referring to the drawings, the engine radiator structure 11, secured to support structure 15, 15' and 20, serves as a heat exchanger for reducing the temperature of the coolant circulated through the engine 12 by an engine driven pump (not shown). The engine driven pump draws fluid from the radiator through hose 13 and connection 14 and delivers it to cooling passages in the engine block. The engine coolant passing from the engine to the top tank 17 of the radiator 11 by way of hose 19 and connection 18, passes downwardly through tubes 16 to a bottom tanklike portion 30 to which outlet connection 14 is attached.
In some vehicle installations such as forklift trucks, the engine fan 22 pushes the air through the radiator 11 in the direction indicated by arrow 23 in FIG. 1 and arrow 23' in FIG. 2. As shown in the breakaway portion of FIG. 2, the vertical tubes are spaced transversely from one another to provide air flow passageways 26 between front and rear end of the radiator.
When working in areas where the air is ladden with debris such as might be expected in cotton warehousing operations, the radiator will tend to become plugged by the cotton lint carried by the air. To obviate clogging of the radiator and the need to periodically clean the radiator or any protecting screen that might be installed, I provide an endless belt screen 31 which is disposed around the radiator in confronting relation to opposite ends of the passageways 26 through the radiator in the longitudinal direction of the vehicle. By thus completely covering both the air linet and air outlet ends of the radia- 3,344,854 Patented Oct. 3, 1967 tor 11, the air passing into the radiator will be filtered of its airborne particles by the screen 31 and particles clinging to the screen 31 at the opposite side of the radiator will be blown off. In order to provide a continuous filtering and screen cleaning operation, I provide vertically disposed rollers 32, 34 at opposite lateral sides of the radiator for permitting the screen to be moved around the radiator in its endless path. The rollers 32, 34 are rotatably mounted on the radiator structure by brackets 36, 37.
A continuous movement of the screen is permitted by provision of power means in the form of an electric motor 41 secured to the radiator. The drive shaft of the motor 41 is shown connected directly to one of the rollers 34 although it may be desired to provide a speed reducer. As shown in FIG. 1 a switch 42 may be provided to disconnect the motor from the battery 45 thus making operation of the motor selective. It should be understood of course that other means for driving the screen 31 can be provided without departing from the spirit of this invention. In order to prevent the endless screen 31 from moving transversely relative to its path of movement, I provide guide strips 43, 43' on the upper and lower portions of the radiator 11 at the front and rear ends thereof. It will be noted that the transverse width of the screen is less than the distance between the radiator coolant connections 14, 18.
From the foregoing description it is apparent that I have provided an extremely novel and useful means for preventing clogging of a radiator which does not necessitate stopping the engine or vehicle for cleaning. Thus a the time heretofore spent by the operator in unclogging the radiator or in cleaning the screen protecting the radiator is saved for useful work. By moving this screen in its endless loop or path, the debris does not buildup on the screen to such an extent that effective circulation of air through the radiator is prevented. Debris caught by the screen on the engine end of the radiator is carried by the screen to the opposite end where air passing through the radiator serves to dislodge the particles and blow them away. Thus the screen continuously filters airborne particles out of the air passing through the radiator and the air forced through the radiator by the fan serves to clean such particles from the screen at the opposite side of the radiator. In some conditions the air may be so ladden with foreign particles that it is desired to continuously rotate the screen. In which event this may be readily accomplished with my present invention. In other instances it may be desired to selectively drive the screen and for this purpose a suitable switch 42 is provided in the motor power circuit so that the motor may be selectively energized.
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as fol- V lows:
1. Incombination:
an engine radiator structure having passageways between opposite ends thereof for flow of cooling air therethrough,
a support structure mounting said radiator structure,
an endless belt screen around said radiator structure covering opposite ends of said passageways,
mounting means supporting said belt screen including at least two rollers rotatably mounted on brackets on one of said structures at opposite sides of said radiator structure,
means for moving said belt screen in its endless path around said radiator structure, and
an engine fan on the outer side of said belt screen operative to force air through said belt screen, thence I 3 4 through said passageways, thence again through said References Cited sciiitleeg whereby air flowingtlirough said, ietlssagewayi UNITED STATES PATENTS w eposi oreign ma ena on sa1 e screen a one end of said radiator structure and blow foreign g zgfi material off said belt screen on the other end of said 5 e y 2,782,612 2/1967 spiegelhalter 62162 radiator structure thereby preventlng clogging of said 2 902 834 9/1959 Bosworth et a1 62 78 air passageways.
2. The combination set forth in claim 1 wherein said FOREIGN PATENTS mounting means includes a pair of rollers at each of 796,839 4/1936 France. said opposite sides of said radiator structure. 7 10 3. The combination set forth in claim 2 wherein'said STREULE, Assistant Examiner;- brackets are secured to said radiator structure. ROBERT O'LEARY, Primary Examine:

Claims (1)

1. IN COMBINATION: AN ENGINGE RADIATOR STRUCTURE HAVING PASSAGEWAYS BETWEEN OPPOSITE ENDS THEREOF FOR FLOW OF COOLING AIR THERETHROUGH, A SUPPORT STRUCTURE MOUNTING SAID RADIATOR STRUCTURE, AN ENDLESS BELT SCREEN AROUND SAID RADIATOR STRUCTURE COVERING OPPOSITE ENDS OF SAID PASSAGEWAYS, MOUNTING MEANS SUPPORTING SAID BELT SCREEN INCLUDING AT LEAST TWO ROLLERS ROTATABLY MOUNTED ON BRACKETS ON ONE OF SAID STRUCTURES AT OPPOSITE SIDES OF SAID RADIATOR STRUCTURE, MEANS FOR MOVING SAID BELT SCREEN IN ITS ENDLESS PATH AROUND SAID RADIATOR STRUCTURE, AND AN ENGINE FAN ON THE OUTER SIDE OF SAID BELT SCREEN OPERATIVE TO FORCE AIR THROUGH SAID BELT SCREEN, THENCE
US473354A 1965-07-20 1965-07-20 Anticlog device for engine radiators Expired - Lifetime US3344854A (en)

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Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446276A (en) * 1967-07-07 1969-05-27 Modine Mfg Co Vehicle radiator core assembly
JPS5070006U (en) * 1973-08-03 1975-06-21
JPS50117233U (en) * 1974-03-07 1975-09-25
JPS50139842U (en) * 1974-05-09 1975-11-18
JPS50154631A (en) * 1974-06-03 1975-12-12
JPS51110924U (en) * 1975-03-03 1976-09-08
FR2327401A1 (en) * 1975-10-09 1977-05-06 Caterpillar Tractor Co SWIVEL MODULE HEAT EXCHANGER, FOR ENGINE COOLING
US4057105A (en) * 1976-06-30 1977-11-08 Caterpillar Tractor Co. Self-cleaning screen assembly for radiators and method
US4066119A (en) * 1976-08-30 1978-01-03 Caterpillar Tractor Co. Rotatable radiator assembly for a vehicle
US4160487A (en) * 1976-12-31 1979-07-10 Veb Kombinat Fortschritt Landmaschinen Engine cooling system for an agricultural vehicle
USRE30766E (en) * 1975-10-09 1981-10-13 Caterpillar Tractor Co. Modular heat exchanger with pivotal cores
DE3427096A1 (en) * 1984-07-23 1986-01-30 Krauss-Maffei AG, 8000 München Cover for the cooling air intake opening of a highly motorised, cross-country vehicle
WO1986000696A1 (en) * 1984-07-16 1986-01-30 Deck Brent D Heat exchanger cleaning
DE4425196A1 (en) * 1993-07-27 1995-02-02 Valeo Thermique Moteur Sa Protective cover for a vehicle radiator assembly and radiator assembly equipped with such a cover
US6221120B1 (en) * 1997-04-25 2001-04-24 Gary C. Bennington Cleanable screen guard for fin-coil heat exchangers
US6792769B2 (en) 2001-03-06 2004-09-21 True Manufacturing Co., Inc. Cleaning system for refrigerator condenser
US20040251066A1 (en) * 2003-06-14 2004-12-16 White John Cap Tear-off debris guard
US20080041025A1 (en) * 2006-08-17 2008-02-21 Boyer Eugene C HVAC system with moving filter
DE102008023555A1 (en) 2007-05-18 2008-12-18 Caterpillar Inc., Peoria Machine with self-cleaning cooling system and process
WO2012076079A1 (en) * 2010-12-09 2012-06-14 Hydac Ag Fluid cooling apparatus
US20140222283A1 (en) * 2013-02-06 2014-08-07 Anya Lynn Getman Diagnostic Fluid Flow De-Restrictor Apparatus and Method
US20180156525A1 (en) * 2016-03-25 2018-06-07 Richard P. Fennelly Use of an air-cleaning blower to keep condenser coils clean
US20210187528A1 (en) * 2019-12-18 2021-06-24 Wayne Darnell Air Mover Device And Method For Firefighting
US20210379429A1 (en) * 2019-12-18 2021-12-09 Wayne Darnell Air Mover Device And Method For Firefighting
US11719203B2 (en) 2020-02-05 2023-08-08 Cnh Industrial America Llc System and method for cleaning an air intake screen of a work vehicle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1352963A (en) * 1918-05-15 1920-09-14 Aubrey F Hoffman Radiator-cover
US1638067A (en) * 1926-08-02 1927-08-09 Drying Systems Inc Air-filter drive
FR796839A (en) * 1935-01-15 1936-04-16 Improvement in filters against arsines and toxic fumes
US2782612A (en) * 1955-12-05 1957-02-26 Gen Electric Filter for air conditioning apparatus
US2902834A (en) * 1957-07-01 1959-09-08 Carrier Corp Air conditioning apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1352963A (en) * 1918-05-15 1920-09-14 Aubrey F Hoffman Radiator-cover
US1638067A (en) * 1926-08-02 1927-08-09 Drying Systems Inc Air-filter drive
FR796839A (en) * 1935-01-15 1936-04-16 Improvement in filters against arsines and toxic fumes
US2782612A (en) * 1955-12-05 1957-02-26 Gen Electric Filter for air conditioning apparatus
US2902834A (en) * 1957-07-01 1959-09-08 Carrier Corp Air conditioning apparatus

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446276A (en) * 1967-07-07 1969-05-27 Modine Mfg Co Vehicle radiator core assembly
JPS5070006U (en) * 1973-08-03 1975-06-21
JPS50117233U (en) * 1974-03-07 1975-09-25
JPS50139842U (en) * 1974-05-09 1975-11-18
JPS50154631A (en) * 1974-06-03 1975-12-12
JPS51110924U (en) * 1975-03-03 1976-09-08
USRE30766E (en) * 1975-10-09 1981-10-13 Caterpillar Tractor Co. Modular heat exchanger with pivotal cores
US4076072A (en) * 1975-10-09 1978-02-28 Caterpillar Tractor Co. Modular heat exchanger with pivotal cores
FR2327401A1 (en) * 1975-10-09 1977-05-06 Caterpillar Tractor Co SWIVEL MODULE HEAT EXCHANGER, FOR ENGINE COOLING
US4057105A (en) * 1976-06-30 1977-11-08 Caterpillar Tractor Co. Self-cleaning screen assembly for radiators and method
US4125147A (en) * 1976-06-30 1978-11-14 Caterpillar Tractor Co. Method for continuously maintaining a radiator free of debris
US4066119A (en) * 1976-08-30 1978-01-03 Caterpillar Tractor Co. Rotatable radiator assembly for a vehicle
US4160487A (en) * 1976-12-31 1979-07-10 Veb Kombinat Fortschritt Landmaschinen Engine cooling system for an agricultural vehicle
WO1986000696A1 (en) * 1984-07-16 1986-01-30 Deck Brent D Heat exchanger cleaning
DE3427096A1 (en) * 1984-07-23 1986-01-30 Krauss-Maffei AG, 8000 München Cover for the cooling air intake opening of a highly motorised, cross-country vehicle
DE4425196A1 (en) * 1993-07-27 1995-02-02 Valeo Thermique Moteur Sa Protective cover for a vehicle radiator assembly and radiator assembly equipped with such a cover
US6221120B1 (en) * 1997-04-25 2001-04-24 Gary C. Bennington Cleanable screen guard for fin-coil heat exchangers
US6792769B2 (en) 2001-03-06 2004-09-21 True Manufacturing Co., Inc. Cleaning system for refrigerator condenser
US20040251066A1 (en) * 2003-06-14 2004-12-16 White John Cap Tear-off debris guard
US7028797B2 (en) 2003-06-14 2006-04-18 John Cap White Tear-off debris guard
US20080041025A1 (en) * 2006-08-17 2008-02-21 Boyer Eugene C HVAC system with moving filter
US7608121B2 (en) * 2006-08-17 2009-10-27 Delphi Technologies, Inc. HVAC system with moving filter
DE102008023555A1 (en) 2007-05-18 2008-12-18 Caterpillar Inc., Peoria Machine with self-cleaning cooling system and process
US8276650B2 (en) 2007-05-18 2012-10-02 Caterpillar Inc. Machine having self-cleaning cooling system and method
WO2012076079A1 (en) * 2010-12-09 2012-06-14 Hydac Ag Fluid cooling apparatus
US20140222283A1 (en) * 2013-02-06 2014-08-07 Anya Lynn Getman Diagnostic Fluid Flow De-Restrictor Apparatus and Method
US20180156525A1 (en) * 2016-03-25 2018-06-07 Richard P. Fennelly Use of an air-cleaning blower to keep condenser coils clean
US10816260B2 (en) * 2016-03-25 2020-10-27 Coilpod Llc Use of an air-cleaning blower to keep condenser coils clean
US20210187528A1 (en) * 2019-12-18 2021-06-24 Wayne Darnell Air Mover Device And Method For Firefighting
US20210379429A1 (en) * 2019-12-18 2021-12-09 Wayne Darnell Air Mover Device And Method For Firefighting
US11446687B2 (en) * 2019-12-18 2022-09-20 Wayne Darnell Air mover device and method for firefighting
US11980784B2 (en) * 2019-12-18 2024-05-14 Wayne Darnell Air mover device and method for firefighting
US11719203B2 (en) 2020-02-05 2023-08-08 Cnh Industrial America Llc System and method for cleaning an air intake screen of a work vehicle

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Owner name: WOODS KATHLEEN D., AS TRUSTEE

Free format text: SECURITY INTEREST;ASSIGNOR:ALLIS-CHALMERS CORPORATION A DE CORP.;REEL/FRAME:004149/0001

Effective date: 19830329

Owner name: CONNECTICUT NATIONAL BANK THE, A NATIONAL BANKING

Free format text: SECURITY INTEREST;ASSIGNOR:ALLIS-CHALMERS CORPORATION A DE CORP.;REEL/FRAME:004149/0001

Effective date: 19830329