[특허]Automatic positive anti-aeration system for engine cooling system

Automatic positive anti-aeration system for engine cooling system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01P-011/02
출원번호	US-0489584 (1974-07-18)
발명자 / 주소	Avrea Walter C. (4540 S. Rural Road Apt. L-7 Tempe AZ 85282)
인용정보	피인용 횟수 : 24 인용 특허 : 0

초록 ▼

An automatic, positive anti-aeration system is assembled to function cooperatively with an engine cooling system radiator as an integral unit. An accumulator, vented to the atmosphere and containing a substantial amount of coolant liquid, is positioned adjacent to the radiator. Two separate fluid passages communicate respectively between the upper portion of one of the header tanks and the accumulator and between the lower portion of one of the header tanks and the accumulator. Valves control fluid flow in the two passages. When the pressure in the header tank rises above the preselected system operating pressure due to heating and expansion of the coolant liquid, the valve in the upper fluid passage opens, allowing coolant liquid and any gases trapped in the top of the header tank to flow into the accumulator. The gases are vented from the accumulator to the atmosphere and the coolant liquid is stored in the accumulator. When the coolant liquid cools and contracts, lowering the pressure in the cooling system to at least below the preselected system operating pressure, the valve in the lower coolant passageway opens, allowing coolant, but no air, to flow from the accumulator into the header tank. Using this system, the conventional radiator pressure cap and filler neck can be eliminated. The entire cooling system is filled and practically purged of air by pouring coolant into the accumulator.

대표청구항 ▼

For use in combination with a cooling radiator for a liquid-cooled internal combustion engine, said radiator comprising core means providing indirect heat exchange between engine coolant liquid flowing internally therethrough and an external cooling fluid, an inlet header tank enclosing the inlet of said core means and adapted for fluid connection to the coolant liquid outlet of said engine, and an outlet header tank enclosing the outlet of said core means and adapted for fluid connection to the coolant liquid inlet of said engine, the improvemenets comprising an automatic, positive anti-aeration system adapted to function cooperatively with said radiator as an integral unit, said improvements comprising: a. means defining a liquid-tight coolant liquid accumulator; b. means defining an inlet port in said accumulator; c. first passage means providing a first separate path of fluid communication between said accumulator inlet port and the upper portion of a first one of said header tanks; d. normally closed first valve means for closing said first passage means, adapted to open when the pressure in said first header tank reaches at least a first predetermined pressure higher than ambient atmospheric pressure, allowing coolant liquid and gases trapped in the upper portion of said first header tank to flow into said accumulator; e. means for venting gases entering said accumulator to the atmosphere; f. means defining an outlet port in the lower portion of said accumulator; g. second passage means separate from said first passage means providing a second separate path of fluid communication between said accumulator outlet port and the lower portion of one of said header tanks; h. second valve means for closing said second passage means, adapted to open when the pressure in said radiator falls at least below a second predetermined pressure lower than said first predetermined pressure, allowing coolant fluid in said accumulator to flow into said radiator; and i. means for introducing an initial quantity of make-up coolant liquid into said accumulator, said accumulator being shaped and dimensioned to receive an initial quantity of coolant liquid, the surface level of which is above said outlet port, and to receive and temporarily store at least the volume of coolant liquid which flows through said accumulator inlet port when the pressure in said first header reaches said first predetermined pressure.

이 특허를 인용한 특허 (24)

Johnston, Vincent George; O'Donnell, Curt Raymond, Coolant de-aeration reservoir.
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Berrigan James H. (Mesa AZ), Coolant recovery and de-aeration system for liquid-cooled internal combustion engines.
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Cheong ; Alex Shu-Ki, Cross-flow radiator deaeration system.
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Evans John W., Engine cooling system with temperature-controlled expansion chamber for maintaining a substantially anhydrous coolant.
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Evans John W., Engine cooling system with temperature-controlled expansion chamber for maintaining a substantially anhydrous coolant, a.
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Cooney, Robert, Expansion relief header for protecting heat transfer coils in HVAC systems.
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Nishiura,Koei, Gas collecting device, test head and IC device testing apparatus.
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Savage, Howard S.; McKeon, Kerk B., Gas extractor for an engine coolant system.
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Ohta ; Kazuhiro ; Ohshima ; Mituzi, Heat exchanger.
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Hartman, Brian M.; Gmerek, Robert Charles, Heat exchanger drain assembly having a frangible wall.
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Uchikawa Akira,JPX ; Muto Satomi,JPX ; Sakane Takaaki,JPX, Heat exchanger mounted to vehicle.
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Araya Katsutoshi (Sagamihara JPX) Tanaami Hiroshi (Sano JPX), Heater core of an automotive air conditioning device.
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Evans John W., Hermetically-sealed engine cooling system and related method of cooling.
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Evans John W., Hermetically-sealed engine cooling system and related method of cooling.
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Avrea Walter C. (1405 Whalers Way Tempe AZ 85283), Method and apparatus for automatically refilling a leaking liquid cooling system as an engine operates by utilizing a ra.
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Avrea Walter C. (1405 Whalers Way Tempe AZ 85283), Method and apparatus for continuously maintaining a volume of coolant within a pressurized cooling system.
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Avrea Walter C. (1405 Whalers Way Tempe AZ 85283), Method and apparatus for continuously purging gaseous matter from the cooling system of an internal combustion engine.
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Geiger, Wolfgang; Gross, Dieter; Herzig, Thomas; Kerler, Boris; Mille, Kai, Method for closing a collecting tank.
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Cooney, Robert, Method for controlling an expansion relief header for protecting heat transfer coils in HVAC systems.
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Szucs Lajos, Process for reducing pressure within a liquid filled container.
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Ohzono,Gen, Vehicle.
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Ito, Norio; Ichihara, Takayoshi, Vehicle air conditioning system and automobile having the vehicle air conditioning system.
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Trin Pierre (Elancourt FRX), Water reservoir device containing an oil exchanger, for an automobile radiator.
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Kim Jung-Shik,KRX, Water temperature control device in cooling system of water cooling type engine.
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