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Engine system having thermostat

a technology of engine system and thermostat, which is applied in the direction of engine cooling apparatus, machines/engines, mechanical equipment, etc., can solve the problems of increased fuel consumption and waste of energy, and achieve the effect of reducing waste of energy

Inactive Publication Date: 2014-05-22
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention is about an engine system with a thermostat that adjusts the coolant temperature based on the engine load and outside temperature. This helps to reduce energy wasted and fuel consumption, improves exhaust gas quality, and saves energy for operating the cooling fan.

Problems solved by technology

Meanwhile, the coolant temperature that the thermostat is operated is fixed and the thermostat is operated regardless of a load of an engine and an outside temperature, and therefore the energy is wasted and fuel consumption is increased.

Method used

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Embodiment Construction

[0027]Reference will now be made in detail to various embodiments of the present invention(s), examples of which are illustrated in the accompanying drawings and described below. While the invention(s) will be described in conjunction with exemplary embodiments, it will be understood that present description is not intended to limit the invention(s) to those exemplary embodiments. On the contrary, the invention(s) is / are intended to cover not only the exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the invention as defined by the appended claims.

[0028]FIG. 1 is a schematic diagram of an exemplary engine system having a thermostat according to various embodiments of the present disclosure. Referring to FIG. 1, an engine system includes a thermostat that is disposed on a coolant line to convert or regulate a coolant passage, an engine 190, a radiator 194, an outside temperature...

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Abstract

An engine system may include an engine configured to generate a torque, a coolant temperature sensor configured to detect a temperature of a coolant circulating the engine, an atmosphere temperature sensor configured to detect an atmosphere temperature, a thermostat disposed on a coolant line to regulate a coolant passage, an operating portion disposed in the thermostat and electrically regulating the coolant passage, and a control portion that variably controls the coolant temperature. The operating portion is operated according to the coolant temperature transmitted from the coolant temperature sensor, the atmosphere temperature transmitted from the atmosphere sensor, and / or an engine load.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]The present application claims priority of Korean Patent Application Number 10-2012-0131796 filed Nov. 20, 2012, the entire contents of which application are incorporated herein for all purposes by this reference.BACKGROUND OF INVENTION[0002]1. Field of Invention[0003]The present invention relates to an engine system having a thermostat that changes a passage of a coolant depending on the temperature of the coolant and actively controls the coolant temperature to prevent overheating thereof.[0004]2. Description of Related Art[0005]A thermostat for a vehicle is disposed between an engine and a radiator, is automatically opened / closed by the temperature variation of a coolant to adjust the flow rate of the coolant, and therefore the temperature of the coolant is controlled in a predetermined range.[0006]A mechanical thermostat expands a wax depending on the temperature of the coolant, and the expanding force of the wax makes a piston move th...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F01P7/16
CPCF01P7/167F01P2070/04F01P7/16
Inventor JUNG, ILKIM, GUN TAE
Owner HYUNDAI MOTOR CO LTD
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