US1789540A - Cooling system for internal-combustion engines - Google Patents

Cooling system for internal-combustion engines Download PDF

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Publication number
US1789540A
US1789540A US397279A US39727929A US1789540A US 1789540 A US1789540 A US 1789540A US 397279 A US397279 A US 397279A US 39727929 A US39727929 A US 39727929A US 1789540 A US1789540 A US 1789540A
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Prior art keywords
radiator
partition
cooling system
cylinder block
section
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Expired - Lifetime
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US397279A
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Jacob Z Brubaker
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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
    • F01P3/00—Liquid cooling
    • F01P3/20—Cooling circuits not specific to a single part of engine or machine
    • 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
    • F01P3/00—Liquid cooling
    • F01P3/02—Arrangements for cooling cylinders or cylinder heads
    • 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
    • F01P3/00—Liquid cooling
    • F01P3/22—Liquid cooling characterised by evaporation and condensation of coolant in closed cycles; characterised by the coolant reaching higher temperatures than normal atmospheric boiling-point
    • 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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • 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
    • F01P3/00—Liquid cooling
    • F01P3/02—Arrangements for cooling cylinders or cylinder heads
    • F01P2003/027—Cooling cylinders and cylinder heads in parallel
    • 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
    • F01P3/00—Liquid cooling
    • F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
    • 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
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops

Definitions

  • rI he object of my invention is to provide an improved cooling system for an internal combustion engine; and to provide) a novel combination of a thermo-Siphon system and force or pump system whereby the temperature of the cylinder block may be maintained at a desired .temperature and the temperature of e cylinder head. maintained at a, different desired temperature'. Itis also anobject ,m of mylinvention to provide: a system that 'll be more ⁇ than 'either of the two systems used singly, and which will facilitate operating of the engine in cold weather.
  • Figure 1 is a perspective view of my invention applied to an internal combustion engine
  • Fig. 2 is a top plan of same
  • Fi 3 is a detail view of the gasket partition with a portion of same broken away;
  • Fig. 4 is a detail sectional view on line L -4 4ofFig.? .f
  • Fig. 5 is a diagrammatic view of the form of the invention'having a'vertical radiator partition (at the left), and a similar diagrammatic view of a preferred form of the invention having a horizontal radiator partition (at the right), and
  • Fig. .6 is a side elevation of the preferred form of my invention having a horizontal partition through the radiator;
  • Fig. 7 is a top plan view of same.
  • Fig. 8 is a front elevation with portions of same broken away.
  • a radiator which is separated into two chambers or sections 5 and '13 by a suitable partition, such as the vertical partition 16, as shown in Fig. 41, or the horizontal partition 17, as shown diagrammatically in Fig. 5 (at-the right) and Figs. 6, 7 and 8.
  • I provide a force or pump system of cooling for the cylinder block which system is connected with the radiator section 5; and I also provide a thermosyphon cooling system for the cylinder head which-is connected with the section 13 of the radiator.
  • a suitable pump 1 connected by conduit 2 lwith the cylinder block 3.
  • rlhe cylinder block in turn is connected by conduit 4 with the radiator section 5; and the radiator section 5 in turn is in communication from its bottom portion with the cylinder pump through the conduit, 6, thus providing a complete circulating system of the pump or force feed type.
  • thermosyphon system consisting of the manifold 11 which communicates with the cylinder head 10 and with the radiator section 13 through the pipe 12.y A return vcon- .65
  • . duit14 extends' from' the bottom of the radiator section 13 to the cylinder head 1 0.
  • I provide a gasket partition 7 separating the cylinder block 3 from the cylinder head 10.
  • This gasket partition is provided with the caps 8 which in turn have the slots 9, thereby providing small communicating passages betweenthe cylinder block and cylinder head.
  • the radiator partition 16 is positioned at one side of the radiator cap, and a small passage 15, as shown in Fig. 1, is' provided in the bottom ofthe radiator partition 16; or when a form of the invention is used in which a horizontal. partition 17 is utilizedJ as shown in the small diagrammatic view at the right of Fig. 5, andpFigs. 6, 7 and'8.
  • a further advantage attained is that the engine is easier to operate in coolweather due to the -fact that the cylinder block and head are both warmed up more quickly than in the old system, with the result of better acceleration, and more eicient performance of the engine.
  • This is' due to the. fact that with ⁇ my system the ⁇ pump 1 forces the water through conduit 2 into block 3 and thence through the ports 8 and 9 into the cylinder lhead 10 from which it Hows through the conduit 14 to'the bottom of the radiator section 13' and thence through passage 15 to the other radiator section 5 and thence back through conduit 6 to the pump 1.
  • This ⁇ path of circulation continues for a short time.
  • thermo-system from the cylinder head gets hot the circulation changes.
  • the water flows through the manifold 11 ⁇ and conduit 12 into duit 14' back to the cylinder head 10 while part of the water flows through the passage 15 into the radiator section 5 at the bottom and through the force feed or pump cooling system.
  • p f v My preferred form of the invention is shown diagrammatically in the small view at the ri ht of Fig. 5,'and in Figs. 6, 7 and 8 the ra iator partition 17 beingdisposed horizontally vto divide the radiator into the section 13 which is connected by the conduits 12 and 14 with the thermo-syphon part of the' system while the radiator section 5 is connected by the conduits 4 and 6 with the force or pump part of the cooling system.
  • the Inode of operation is the same or equivalent to that in the form of invention illustrated with the vertical partition 16 except that I rovide two small passages 15* at each end -o the horizontal partition 17 which have a function similar to the small passage 15 ,at the bottom of the vertical artition 16.
  • This construction is believed to somewhat more efiicient than the one illustrated in detail by reason of the Ashorter pipes or conduits which can be used with it.
  • the cooler section ofthe radiator is at the vbottom and the warmer section at the top, thus making use of the natural tendency of the hot water to rise.
  • thermosyphon cooling system connected with the cylinder head
  • force feed cooling ,System connected with the cylinder block
  • gasket partition substantially se arating the cylinder block and the cylin er head and reducing the water circulation between same.
  • the system connected with the cylinder block being arran ed to constantly maintain its temperature su antially lower than the temperature of the cylinder head, whereby to increase the operating eciency of the engine.
  • thermosyphon cooling system vconnected with the cylinder head, a force feed cooling system connected with the cylinder block, a gasket partition disposed between the cylinder block and the cylinder head, said partition having small ports to permit a limited water'circulation, a radiator having a. partition dividing it into sections, the thermo-syphon sys- Y tem'being connected with one of the sections and the yforce feed system'being connected with the other section, and means'forthe passage of water to a limited extent from radiator section 13 and thence through conlone Section to the other' and passages for a limited flow of water/from one section to the other.

Description

Jan. 20,'1931- J. z. BRUBAKER 1,789,540
COOLING SYSTEM FOR INTERNAL COMBUSTION HGINES Filed oct. 41929 2 sheets-sheet 1 Jan. 2o, 1931.
J. Z. BRUB-AKER lCOOLING SYSTEM FOR INTERNAL COMBUSTIN ENGINES .Filed oct. 4. 1,929
z suegra-smv? v Patat-e j. 20, 1793i JACOB Z. BRUBAK, F MANHEHE, PENNSYLVANIA.'
.u sas non INTERNAL-connus'rron mientas' applicatie; fue@ october .4, 1929. sealan. 397,279.
rI he object of my invention is to provide an improved cooling system for an internal combustion engine; and to provide) a novel combination of a thermo-Siphon system and force or pump system whereby the temperature of the cylinder block may be maintained at a desired .temperature and the temperature of e cylinder head. maintained at a, different desired temperature'. Itis also anobject ,m of mylinvention to provide: a system that 'll be more eficient `than 'either of the two systems used singly, and which will facilitate operating of the engine in cold weather.
I-attain these and other objects of my invention by the mechanism illustrated in the accompanying drawings, in whichl Figure 1" is a perspective view of my invention applied to an internal combustion engine;
Fig. 2 is a top plan of same;
Fi 3 is a detail view of the gasket partition with a portion of same broken away;
Fig. 4 is a detail sectional view on line L -4 4ofFig.? .f
Fig. 5 is a diagrammatic view of the form of the invention'having a'vertical radiator partition (at the left), and a similar diagrammatic view of a preferred form of the invention having a horizontal radiator partition (at the right), and
Fig. .6 is a side elevation of the preferred form of my invention having a horizontal partition through the radiator;
Fig. 7 is a top plan view of same; and
Fig. 8 is a front elevation with portions of same broken away.
Like characters of reference designate like parts in each of the several views.
l Referring to the accompanying drawings, 40 I provide a radiator which is separated into two chambers or sections 5 and '13 by a suitable partition, such as the vertical partition 16, as shown in Fig. 41, or the horizontal partition 17, as shown diagrammatically in Fig. 5 (at-the right) and Figs. 6, 7 and 8. I provide a force or pump system of cooling for the cylinder block which system is connected with the radiator section 5; and I also provide a thermosyphon cooling system for the cylinder head which-is connected with the section 13 of the radiator. In thedrawings, there is illustrated a suitable pump 1 connected by conduit 2 lwith the cylinder block 3. rlhe cylinder block in turn is connected by conduit 4 with the radiator section 5; and the radiator section 5 in turn is in communication from its bottom portion with the cylinder pump through the conduit, 6, thus providing a complete circulating system of the pump or force feed type. 60
Connected with the radiator section 13 is the thermosyphon system, consisting of the manifold 11 which communicates with the cylinder head 10 and with the radiator section 13 through the pipe 12.y A return vcon- .65
. duit14 extends' from' the bottom of the radiator section 13 to the cylinder head 1 0. I provide a gasket partition 7 separating the cylinder block 3 from the cylinder head 10. This gasket partition is provided with the caps 8 which in turn have the slots 9, thereby providing small communicating passages betweenthe cylinder block and cylinder head. As shown in Figs. 1 and 2, the radiator partition 16 is positioned at one side of the radiator cap, and a small passage 15, as shown in Fig. 1, is' provided in the bottom ofthe radiator partition 16; or when a form of the invention is used in which a horizontal. partition 17 is utilizedJ as shown in the small diagrammatic view at the right of Fig. 5, andpFigs. 6, 7 and'8. I provide similar passages 15 at each end of the said partition 17 having a function similar to that of passage 15 of the form of the apparatus having the vertical partition for the pas- `sage of water between sections =5 and 13 at a` slow rate.
Heretofore it has been the usual practice in.Y cooling motors'to have a single water jacket around the cylinders and valves, the water enteringv the lower part of the cylinder block and being emitted through ports from the cylinder block into the cylinder head and then into the radiator for cooling. In such a system the cylinder block and cylinder head have almost the same temperature. This is a situation which is not calculated to attain the most eicient operation of the y motor. In such an ordinary cooling system a motor will develop the most power at a certain temperature due to the fact that as cools the cylinder head normally maintainsahigher temperature than a pump or force system such as is used by me in cooling the cylinder block. Consequently I have a hot cylinder head and a well-cooled cylinder block and thereby obtain a higher motor eficiency. A further advantage attained is that the engine is easier to operate in coolweather due to the -fact that the cylinder block and head are both warmed up more quickly than in the old system, with the result of better acceleration, and more eicient performance of the engine. This is' due to the. fact that with `my system the` pump 1 forces the water through conduit 2 into block 3 and thence through the ports 8 and 9 into the cylinder lhead 10 from which it Hows through the conduit 14 to'the bottom of the radiator section 13' and thence through passage 15 to the other radiator section 5 and thence back through conduit 6 to the pump 1. This` path of circulation continues for a short time. As soon as the thermo-system from the cylinder head gets hot the circulation changes. The water flows through the manifold 11`and conduit 12 into duit 14' back to the cylinder head 10 while part of the water flows through the passage 15 into the radiator section 5 at the bottom and through the force feed or pump cooling system. p f v My preferred form of the invention is shown diagrammatically in the small view at the ri ht of Fig. 5,'and in Figs. 6, 7 and 8 the ra iator partition 17 beingdisposed horizontally vto divide the radiator into the section 13 which is connected by the conduits 12 and 14 with the thermo-syphon part of the' system while the radiator section 5 is connected by the conduits 4 and 6 with the force or pump part of the cooling system. The Inode of operation-is the same or equivalent to that in the form of invention illustrated with the vertical partition 16 except that I rovide two small passages 15* at each end -o the horizontal partition 17 which have a function similar to the small passage 15 ,at the bottom of the vertical artition 16. This construction is believed to somewhat more efiicient than the one illustrated in detail by reason of the Ashorter pipes or conduits which can be used with it. Also in this form the cooler section ofthe radiator is at the vbottom and the warmer section at the top, thus making use of the natural tendency of the hot water to rise.
What I claim is:
1. In a cooling system for an internal combustion engine, the combination of a thermosyphon cooling system connected with the cylinder head, a force feed cooling ,System connected with the cylinder block, and a gasket partition substantially se arating the cylinder block and the cylin er head and reducing the water circulation between same.
2. In a cooling system for an internal combustion engine, the combination of two cooling systems, one of said coolin systems belng connected with the cylin erv head. and
the other of said systems being connected.
with the cylinder block, the system connected with the cylinder block being arran ed to constantly maintain its temperature su antially lower than the temperature of the cylinder head, whereby to increase the operating eciency of the engine.
3. In a cooling system' for an internal combusti on engine, the combination of a thermosyphon cooling system vconnected with the cylinder head, a force feed cooling system connected with the cylinder block, a gasket partition disposed between the cylinder block and the cylinder head, said partition having small ports to permit a limited water'circulation, a radiator having a. partition dividing it into sections, the thermo-syphon sys- Y tem'being connected with one of the sections and the yforce feed system'being connected with the other section, and means'forthe passage of water to a limited extent from radiator section 13 and thence through conlone Section to the other' and passages for a limited flow of water/from one section to the other. A
JACOB Z. BRUBAKER.
US397279A 1929-10-04 1929-10-04 Cooling system for internal-combustion engines Expired - Lifetime US1789540A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2677357A (en) * 1951-10-24 1954-05-04 Jacob Z Brubaker Cooling system for internal-combustion engines
WO1984001979A1 (en) * 1982-11-18 1984-05-24 Evans Colling Ass Boiling liquid cooling system for internal combustion engines
US4550694A (en) * 1984-05-11 1985-11-05 Evans Cooling Associates Process and apparatus for cooling internal combustion engines
US5031579A (en) * 1990-01-12 1991-07-16 Evans John W Cooling system for internal combustion engines
WO1998038417A1 (en) * 1997-02-24 1998-09-03 General Motors Do Brasil Ltda. Independent cooling system for internal combustion engines

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2677357A (en) * 1951-10-24 1954-05-04 Jacob Z Brubaker Cooling system for internal-combustion engines
WO1984001979A1 (en) * 1982-11-18 1984-05-24 Evans Colling Ass Boiling liquid cooling system for internal combustion engines
FR2536459A1 (en) * 1982-11-18 1984-05-25 Evans Cooling Ass METHOD AND BOILING COOLING CIRCUIT FOR INTERNAL COMBUSTION ENGINE
GB2142130A (en) * 1982-11-18 1985-01-09 Evans Cooling Ass Boiling liquid cooling system for internal combustion engines
US4630572A (en) * 1982-11-18 1986-12-23 Evans Cooling Associates Boiling liquid cooling system for internal combustion engines
US4550694A (en) * 1984-05-11 1985-11-05 Evans Cooling Associates Process and apparatus for cooling internal combustion engines
US5031579A (en) * 1990-01-12 1991-07-16 Evans John W Cooling system for internal combustion engines
WO1998038417A1 (en) * 1997-02-24 1998-09-03 General Motors Do Brasil Ltda. Independent cooling system for internal combustion engines
US6182618B1 (en) 1997-02-24 2001-02-06 General Motors Do Brasil Ltda Independent cooling system for alternative internal combustion engines

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