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Class 123/41.08 - Valves for fluid coolant


Subclass of Class 123 - Internal-combustion engines
Definition: Cooling systems wherein the primary or secondary coolant
No. of patents: 174
Last issue date: 01/24/2012


1          
NumberTitleIssue Date
8100096Method for automatically controlling an internal combustion engine
The invention concerns a method for automatically controlling an internal combustion engine, wherein, in a first controller mode, a charge air temperature controller is set as dominant for a map-controlled thermostatic valve, and, in a second controller mode, a cool...
01/24/2012
7770547Regulating device of the water outlet chamber type
A water outlet chamber-type regulating device includes a chamber component having an inlet and an outlet for a fluid to be regulated, and including a member for regulating the flow, the member having a valve component translatingly movable and configured to close a ...
08/10/2010
7730855Coolant controller and method for its manufacture
A coolant controller for a coolant circuit of an internal combustion engine has a housing and a thermostat valve arranged therein. The thermostat valve has at least one valve closing member loadable by a working element as a function of a temperature value, a temper...
06/08/2010
7726266Cooling circuit for an internal combustion engine
A cooling circuit comprises a cylinder block and a cylinder head block, these blocks each including cooling elements the form of integrated portions of circuit. The cooling circuit also includes at least a first, a second and a third separate external loops for exte...
06/01/2010
7614368Automated no-idle heating and engine pre-heat using engine coolant
To avoid engine idling to support cabin heating, an auxiliary coolant heater can heat engine coolant and pump it through compartment heaters or the engine cooling system. The coolant flow control system provides great flexibility in selectively distributing heated c...
11/10/2009
7421984Method for adjusting a coolant flow by means of a heating cut-off valve
The invention relates to a method for actuating the valves in the three-way thermostat and in the heating cut-off valve of a cooling system. The valve setting in the cooling system is in this case selected such that during the warm-up phase of the engine, until the ...
09/09/2008
7422159Thermostat valve unit
In connection with a thermostat valve which, together with a housing cover member, constitutes a structural unit, it is provided that a cross arm member is secured on a housing cover by means of a snap-in connection and is provided with flanges extending into a fast...
09/09/2008
7412948Fluid valve
A fluid valve for use in proportioning/mixing fluid between at least one input and at least one output. The fluid valve including a rotary actuated diverter for controlling fluid flow between the inlet(s) and outlet(s). The fluid valve may be configured to support p...
08/19/2008
7395788Drill rig and a method for controlling a fan therein
In a method for controlling at least one fan (13) for the regulation of the cooling demand of at least two cooling elements (12) included in a drill rig (1), the cooling demand of each one of the cooling elements (12) being determined, th...
07/08/2008
7370611Apparatus and method for controlling the operation of a cooling system for a marine propulsion device
A cooling system for a marine propulsion device provides a bypass loop around a cooling pump that allows the flow of cooling water through certain components to be reduced or increased as a function of the temperature of those components while causing a full flow of...
05/13/2008
7367291Locomotive apparatus
In a railroad locomotive for operation in low ambient temperature conditions with the locomotive having an engine which includes a cooling system using a coolant liquid, a coolant liquid containment system is provided and includes a containment tank, an inlet port i...
05/06/2008
7353793Hold down plate for securing a component
A hold-down plate (500) for securing a first component (104) to a second component (400) having a seal (416) disposed between the first component (104) and the second component (400), includes a support member (502) h...
04/08/2008
7343882Fluid valve
A fluid valve for use in proportioning/mixing fluid between at least one input and at least one output. The fluid valve including a rotary actuated diverter for controlling fluid flow between the inlet(s) and outlet(s). The fluid valve may be configured to support p...
03/18/2008
7334545Method and cooling system for cooling an internal combustion engine
In a method for cooling an internal combustion engine, in particular in/on a motor vehicle, it is possible for individual components of the internal combustion engine to be cooled individually, for example a cylinder head and/or a cylinder block, by what is known as...
02/26/2008
7326093Personal watercraft
A personal watercraft equipped with an engine cooling system and a cleaning system therefore, including a body 1 including a deck 3 and a hull 2, an engine E accommodated in the interior of the body 1, a cooling system configured to cool ...
02/05/2008
7318396Cooling system for a marine propulsion engine
A cooling system for a marine engine incorporates first and second thermally responsive valves which are responsive to increases in temperature above first and second temperature thresholds, respectively. The two thermally responsive valves are configured in serial ...
01/15/2008
7302919Control valve with improved sealing for a fluid circulation system
A control valve (10) for a fluid circulation circuit comprises a body (12) which is equipped with a fluid inlet (18) and with at least two fluid outlets (20, 22, 24) and which delimits a housing of revolution for an adjusting element (...
12/04/2007
7299771Coolant valve system for internal combustion engine and method
An internal combustion engine (200) includes a coolant pump (212) having a pump outlet (214), and a first exhaust gas recirculation (EGR) cooler (206) fluidly connected to the pump outlet (214). A crankcase (202) is fluidly ...
11/27/2007
7273041Fuel system combination valve for an internal combustion engine and such a fuel system
The invention relates to a combination valve (15) for pressure control and venting in a fuel system for delivering fuel to an internal combustion engine. The valve comprises a primary valve cone (25), which is supported so that it is displaceable betwe...
09/25/2007
7267084Cooling and preheating device
In a cooling and heating device for an internal combustion engine having a main coolant pump supplying coolant to the engine and a coolant return line with a return flow control unit which directs the coolant return flow to the main coolant pump selectively via a la...
09/11/2007
7267085Method of engine cooling
This invention relates to a method of cooling an engine for an automobile. The method operates using a predictive, feed-forward element combined with a fuzzy logic feedback controller to achieve accurate control over engine temperature. The fuzzy logic feedback is o...
09/11/2007
7263954Internal combustion engine coolant flow
A cooling system for an internal combustion engine 1 is disclosed in which an electronically controlled flow control valve 9 is used to control the flow of coolant exiting the engine 1. The electronically controlled flow control valve 9 i...
09/04/2007
7258083Integrated cooling system
An integrated cooling system includes a housing and a pumping device disposed within the housing, configured to pressurize a fluid. The cooling system also includes a motor disposed within the housing and operatively coupled to the pumping device. The cooling system...
08/21/2007
7255130Control valve for an engine cooling circuit
A control valve (10) for a fluid circulation circuit comprises a body (12) which is equipped with a fluid inlet (18) and at least two fluid outlets (20, 22 and 24) and which delimits a cylindrical housing for an adjusting member (
08/14/2007
7246941Sensing media temperature in an HVAC valve
An apparatus and method are provided for determining the temperature of an operating fluid media in an HVAC system. An integral temperature sensor, mounted within an actuator of an actuator-driven HVAC valve, senses the temperature of a valve body of the HVAC valve....
07/24/2007
7237511Cooling device of engine
There are provided a radiator passage, a thermostat to open and close the radiator passage according to an engine temperature, a heater passage, a flow adjusting device to adjust a flow amount of the coolant that flows in the water jacket according to the engine tem...
07/03/2007
7222592Water outlet box provided with a thermostat and manufacturing process
A water out-let box comprising a regulating thermostat principally made up of a valve to block an opening of a passage emerging in the box, the valve being stressed against its seat, formed by the peripheral edge of the above-mentioned opening, by an elastic loading...
05/29/2007
7194986Actuator assisted blow-off assembly to control coolant flow in an internal combustion engine
A blow-off valve assembly for an internal combustion engine cooling system is biased to prevent coolant flow from the cooling system to the internal combustion engine when a pressure of the coolant is below a threshold. An actuating assembly is configured to impart ...
03/27/2007
7194985Engine cooling structure, and engine incorporating same
An engine cooling structure for a water cooled engine includes water pump and a thermostat. The water pump pumps coolant to a water jacket of the engine. The water pump and thermostat are provided on a cover member installed on an outside of a crankcase of the engin...
03/27/2007
7171926Internal combustion engine thermostat guide
An internal combustion engine performing its cooling by means of coolant and being capable of detecting a temperature of the coolant accurately is to be provided. In this engine, there is mounted a water outlet 3 provided with a temperature detecting means
02/06/2007
7172135Thermostat for two-system cooling device
A thermostat independently controlling cooling water passages of two circuits, including a first valve body having first and second passages in constant communication. A third passage is selectively connected to those passages. Communication of the third passage is ...
02/06/2007
7168397Control valve for cooling circuit
A control valve suitable for forming part of a cooling circuit comprising a first branch which contains a radiator and a second branch that constitutes a bypass of a radiator is described. The control valve has a third branch, which, in a motor vehicle combus...
01/30/2007
7165513Multiway valve for a vehicle cooling/heating system
A multiway valve has a valve housing arrangement (2, 34), in which a valve chamber (8) is formed, at least three main valve connections (3, 4, 5, 6) leading to the valve chamber (8), and a main valve member. The main valve member (1
01/23/2007
7152555Engine cooling system
An improved cooling system for a turbo charged internal combustion engine is disclosed. A conduit connects a pressurizing engine air intake to the cooling system to raise the pressure in the cooling system thereby enabling an increase of the maximum temperature whic...
12/26/2006
7137361Cylinder head gasket with one-way coolant flow valve
A head gasket (48) which acts, when clamped between a cylinder head (28) and a block (22) in a liquid cooled internal combustion engine (20), to form a seal around the combustion chambers (24). A coolant flow path (32) route...
11/21/2006
7137364Cooling system of engine for personal watercraft
An open-looped cooling system is disclosed. The cooling system typically includes a cylinder head including a first water jacket through which cooling water flows, a cooling water inlet through which the first water jacket communicates with outside, and a first cool...
11/21/2006
7114469Cooling system for a marine propulsion engine
A cooling system for a marine engine divides a flow of cooling water into first and second streams downstream of a pump. The first stream flows through a first cooling system which is controlled by a pressure sensitive valve. The second stream flows through a second...
10/03/2006
7096830Mounting arrangement for electric water pump
A water pump assembly for controlling the flow of temperature control fluid in an internal combustion engine. The water pump assembly includes a housing with an inlet, an outlet and an electric motor assembly for causing fluid to flow from the inlet to the outlet. A...
08/29/2006
7082900Outboard engine system
In an outboard engine system, a first opening communicating with a cooling water discharge passage and a second opening communicating with a cooling water supply passage are formed adjacent to each other in an upper wall of a cooling water passage forming member. A ...
08/01/2006
7082902Pump/valve assembly and a cooling circuit containing such an assembly
A pump/valve assembly forming part of a circuit for circulating a liquid fluid has a pump and a proportional-control valve unit (2) in series with the pump. The valve unit (2) has a valve (3), an electrical actuator (4) and a position sen...
08/01/2006
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