Adjusting a flow control valve during a mode change of a main rotary valve in a vehicle cooling system
a technology of flow control valve and cooling system, which is applied in the direction of engine cooling apparatus, machines/engines, mechanical equipment, etc., can solve problems such as damage to the engine and its associated components
Inactive Publication Date: 2019-01-24
GM GLOBAL TECH OPERATIONS LLC
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Benefits of technology
The present invention relates to a system for controlling the flow of coolant fluid in an engine. The technical effects of this patent are that it allows for the efficient control of coolant fluid flow during mode changes from a cooling mode to a warming mode, or vice versa, by using a flow control valve to prevent or enable coolant fluid flow at the inlet of the main rotary valve. The flow control valve can be opened or closed to control the flow of coolant fluid and can be connected to engine blocks and heads for maximum control and performance.
Problems solved by technology
As an internal combustion engine operates, the engine and its associated components generate heat, which can damage the engine and its associated components if left unchecked.
Method used
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[0016]The following description is merely exemplary in nature and is not intended to limit the present disclosure, its application or uses. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features. As used herein, the term module refers to processing circuitry that may include an application specific integrated circuit (ASIC), an electronic circuit, a processor (shared, dedicated, or group) and memory that executes one or more software or firmware programs, a combinational logic circuit, and / or other suitable components that provide the described functionality.
[0017]The technical solutions described herein provide for adjusting a flow control valve during a mode change of a main rotary valve in a vehicle cooling system for an internal combustion engine. A cooling system for an internal combustion engine (“engine”) switches modes of a main rotary valve in order to satisfy a request of cooling or warming c...
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Examples of techniques for adjusting a flow control valve during a mode change of a main rotary valve in a vehicle cooling system for an internal combustion engine are disclosed. In one example implementation, a method includes detecting, by a processing system, a start of the mode change for the main rotary valve in the vehicle cooling system. The method further includes closing, by the processing system, the flow control valve based at least in part on detecting the start of the mode change. The method further includes opening, by the processing system, the flow control valve based at least in part on the mode change being completed.
Description
INTRODUCTION[0001]The present disclosure relates generally to internal combustion engines and more particularly to adjusting a flow control valve during a mode change of a main rotary valve in a vehicle cooling system for an internal combustion engine.[0002]A vehicle, such a car, motorcycle, or any other type of automobile may be equipped with an internal combustion engine to provide a source of power for the vehicle. Power from the engine can include mechanical power (to enable the vehicle to move) and electrical power (to enable electronic systems, pumps, etc. within the vehicle to operate). As an internal combustion engine operates, the engine and its associated components generate heat, which can damage the engine and its associated components if left unchecked.[0003]To reduce heat in the engine, a cooling system circulates a coolant fluid through cooling passages within the engine. The coolant fluid absorbs heat from the engine and is then cooled via a heat exchanger in a radia...
Claims
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IPC IPC(8): F01P7/14F01P11/08F01P5/10
CPCF01P7/14F01P2007/146F01P5/10F01P11/08F01P2023/08F01P7/167
Inventor DI LORENZO, GIACOMOSCAVONE, LUCAQUINONES DAVILA, FELIX MAURICIO
Owner GM GLOBAL TECH OPERATIONS LLC