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Class 123/41.02 - Automatic coolant flow control


Subclass of Class 123 - Internal-combustion engines
Definition: Devices with means to sense some condition, which means
No. of patents: 67
Last issue date: 12/06/2011


1    
NumberTitleIssue Date
8069827Vehicle cooling controller and cooling control method
A drive component for driving an electric water pump for causing engine coolant to flow is mounted in an engine compartment. When the ignition is off and the temperature of a exhaust heat recovery device is above a temperature, an ECU estimates a peak temperature in...
12/06/2011
7673591Nucleate boiling cooling system and method
A cooling system for a liquid cooled internal combustion engine having coolant passages and a heat exchanger selected to operate the engine cooling system in the region of nucleate boiling. A sensor detect the presence of nucleate boiling and a pump and pressure rel...
03/09/2010
7523725Method for controlling and/or regulating a cooling system of a motor vehicle
The present invention provides a method for controlling and/or regulating a cooling system, a desired coolant temperature being determined from a desired component temperature in a desired coolant temperature determination. Energy consumption of a driving engine and...
04/28/2009
7455035Cooling water piping attachment structure for small boat
A cooling water attachment device for a small boat can include a joint attachment part having a cooling water inlet/outlet port provided on a side surface of an engine opposite an exhaust pipe. A joint member can be formed with a recess for communication with the co...
11/25/2008
7406835Cooling system and method for cooling a heat producing system
A cooling system for cooling a plurality of heat producing systems includes a heat exchanger having a plurality of cooling zones, each of which has a respective inlet and outlet for facilitating flow of a respective temperature control fluid therethrough. Each of th...
08/05/2008
7320434Method of controlling electronic controlled thermostat
An electronically controlled thermostat control method is obtained which makes it possible to eliminate the response delay from the time that the required cooling water temperature is set to the time that the actual cooling water temperature reaches the set water te...
01/22/2008
7299993Apparatus for detecting a failure of a thermostat for an engine
An apparatus for detecting a failure of a thermostat provided between an engine and a radiator is provided. The thermostat regulates circulation of cooling water between the engine and the radiator. The apparatus comprises a radiator water temperature sensor dispose...
11/27/2007
7278475Control arrangement for cooling power electronic components
A control arrangement (10) comprises a first selectable controller (12) for controlling an action, and a second selectable controller (14) for controlling the action. The arrangement also includes a selector (22) for selecting one of the ...
10/09/2007
7275510Startup-time control apparatus and stop-time control apparatus of internal combustion engine, and control methods thereof, and record medium
If it is determined that the present engine startup is a high-temperature startup, immediately fuel injection in concert with start of cranking is prohibited. After a delay time elapses following the start of cranking, or when THC
10/02/2007
7270090Control system for engine cooling
An engine cooling system is described that uses the same actuator to adjust both fan speed and coolant pump speed based on operating conditions of the engine and vehicle. The airflow and coolant flow are thus dependent, however, they are independent from engine spee...
09/18/2007
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
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
7261068Vehicular thermostatically-controlled dual-circuit cooling system and associated method
A dual-circuit cooling system for a vehicle is disclosed. One of the circuits may be used to manage the temperature of the engine while the other circuit may be used to manage the temperature of a component other than the engine. An associated method is disclosed.
08/28/2007
7171927Control method for electronically controlled thermostat
A control method for an electronically controlled thermostat includes that an actuator is used for cooling-water control of an internal combustion engine and the actuator is capable of optionally varying the valve-opening ratio. An engine control unit computes a tar...
02/06/2007
7152589Method and a device for cleaning of crankcase gas
Upon cleaning of crankcase gas generated during operation of an internal combustion engine in its crankcase, a centrifugal separator is used, which includes a rotor arranged for rotation by means of a driving motor and arranged by its rotation suck crankcase gas fro...
12/26/2006
7131460Automotive coolant control valve
A coolant flow valve for controlling the distribution and flow of coolant to replace the radiator thermostat and heater valve currently used in automotive applications. The valve includes a valve rotor rotationally received in a valve housing wherein the rotational ...
11/07/2006
7128026Method for controlling the heat in an automotive internal combustion engine
In a method for controlling the heat in an internal combustion engine for a vehicle with a coolant circuit and actuable devices for influencing the heat balance of the internal combustion engine, wherein a coolant temperature and further operating parameters of the ...
10/31/2006
7121234Hybrid electric vehicle and method of selectively operating the hybrid electric vehicle
A series type hybrid electric vehicle that controls an internal combustion engine, generator, and electric motor for reducing the load applied to the internal combustion engine when the internal combustion engine is restarted, lowers the thermal stresses to the inte...
10/17/2006
7121002Heat exchanger
This invention relates to a heat exchanger which is produced by connecting two walls together at a plurality of points by compression molding and sealing the edges thereof. ...
10/17/2006
7082901Method controlling an adjusting device, and the corresponding device
A method of controlling a device comprising an adjusting component which is associated in its operation with a means for actuating the movable element of said component, a means for sensing the actual position of the movable element and a control means, characterise...
08/01/2006
7056170Water-cooled vertical engine and outboard motor equipped therewith
A water-cooled vertical engine includes a cylinder block cooling water jacket formed in a cylinder block and a cylinder head cooling water jacket formed in a cylinder head, the jackets being substantially independent. Cooling water from a cooling water pump is suppl...
06/06/2006
7036466Thermal management system and method for vehicle electrochemical engine
A thermal management system of an electrochemical engine comprises a radiator provided with a wicking mechanism, a coolant pump fluidly connected to the radiator, a water tank, and a water pump. The water tank is located in the void spaces around fuel storage tanks,...
05/02/2006
7011049Method and device for cooling a motor vehicle engine
A method for cooling a motor vehicle engine consists in regulating the volume and the flow rate of a coolant fluid in a hydraulic circuit provided with a degassing bypass hose equipped with an electronically controlled proportional actuator and with means forming di...
03/14/2006
6996479Method and apparatus for measuring and controlling the water content of a water-containing liquid mixture
An apparatus for measuring the water content of a water-containing liquid mixture contained in a tight chemistry tank includes a heating device for controlling the temperature of the liquid mixture to a temperature near the boiling point of the liquid mixture, a coo...
02/07/2006
6837193Flow control valve
A flow control valve used in a cooling system of a water cooling type includes a first valve body and a first valve seat for controlling a quantity of radiator flow which returns from an engine to a pump through a radiator, a second valve body and a second valve sea...
01/04/2005
6556906Method for controlling heat flows in a motor vehicle
A method and a device for the control/regulation of the heat flows caused by heat generators and heat consumers in a motor vehicle, at least on the basis of a momentary load state of the motor vehicle engine and the momentary vehicle operating conditions ...
04/29/2003
6523505Coolant and/or lubricant transport device
A coolant and/or lubricant transport device supplies lubricant or circulating cooling water in internal combustion engines. The pump can be driven by an electric motor which can be controlled in dependence upon a control quantity of a continuous controlle...
02/25/2003
6371059Thermostatic valve arranged in a cooling circuit of an internal combustion engine
A thermostatic valve arranged in the coolant circuit of an internal-combustion engine, has a main valve which is acted upon by cold coolant flow on the one side, and by hot coolant flow on the other side. The valve is actuated as a function of the coolant...
04/16/2002
6349697Direct-fuel-injection-type spark-ignition internal combustion engine and method of controlling the internal combustion engine
A direct-fuel-injection-type spark-ignition internal combustion engine has a fuel injection valve which directly injects fuel into a cylinder. A nozzle hole of the fuel injection valve directs fuel toward an impingement portion of the cylinder bore locate...
02/26/2002
6223700Cooling control system and cooling control method for engine
A system is provided wherein temperature conduction upon the changing of temperature of cooling water in an engine is forecast, and achievement of a cooling control system with an improved life and reliability and a reduction in cost results therefrom. A ...
05/01/2001
6216645Method for controlling a coolant pump of an internal combustion engine
In an electrically driven coolant pump with an electromotor-pump unit an electronic control unit, generates a pulse-width modulated control signal for the pump depending on at least one engine operating parameter. In order to recognize irregularities and ...
04/17/2001
6125800Cooling system for a liquid-cooled internal combustion engine
For a cooling system of a liquid-cooled internal-combustion engine, a charging, venting and pressure control arrangement is suggested. In this case, a compressive stress mechanically generated in the coolant is combined with a forward-flow system control,...
10/03/2000
5975031Cooling system for an internal combustion engine, particularly for motor vehicles
The system includes a hydraulic circuit for supplying a flow of coolant to the engine, comprising a circulation pump, a radiator connected to the engine, a by-pass duct parallel to the radiator, and a regulating valve capable of adjusting the ratio of the...
11/02/1999
5970949Internal combustion engine with a fuel injector for injecting fuel directly into the cylinder
In an internal combustion engine with a fuel injector for injecting fuel directly into the cylinder, in which a current combustion is changed between pre-mixture combustion and stratified charge combustion in accordance with a current engine operating con...
10/26/1999
5844463Process and device for regulating the temperature of a fluid
The present invention relates to a process for regulating the temperature of a fluid circuit comprising a thermostatic valve, which consists in maintaining a leak rate through the valve once the valve has been opened a first time in order to eliminate the...
12/01/1998
5809944Cooling water control valve and cooling water circuit system employing the same
According to the present invention, in a cooling water control valve disposed in a cooling water circuit of a water-cooled engine, switching of the cooling water flowing into and out of a heat-accumulating tank and control of an amount of the cooling wate...
09/22/1998
5390632Engine cooling system
An engine cooling system comprises a cooling water circulation circuit interconnecting an engine body and a radiator, a bypass circuit connected to the cooling water circulation circuit to bypass the radiator, an electric-powered water pump disposed in th...
02/21/1995
5079488Electronically commutated motor driven apparatus
An apparatus for pumping fluid such as an integral pump/motor is provided. A housing having an inlet and an outlet has a rotatable assembly including an impeller located within and adapted to rotate within the housing to move fluid through the housing fro...
01/07/1992
5045001Auxiliary automatic cooling water supply for marine engines
A marine propulsion device comprising an internal combustion engine, primary structure for supplying cooling water to the engine, and ancillary structure for supplying cooling water to the engine in response to the temperature of the engine exceeding a pr...
09/03/1991
4930455Controlling engine coolant flow and valve assembly therefor
A motorized water valve of the butterfly-type having the motor case and gear reduction housing formed integrally with the valving chamber. The metal butterfly has elastomeric material formed thereover to provide improved sealing and prevent leakage when t...
06/05/1990
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