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Integrated power train compressor outlet temperature control

An outlet temperature, compressor technology, applied in pump control, combustion engine, machine/engine, etc., can solve problems such as reduced engine power, less engine power, and low engine performance

Pending Publication Date: 2020-11-27
CUMMINS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This is not the best solution as reduced engine power means less engine power and lower engine performance for the vehicle and operator

Method used

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  • Integrated power train compressor outlet temperature control
  • Integrated power train compressor outlet temperature control

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Embodiment Construction

[0010] While the invention may take many different forms, for the purposes of promoting an understanding of the principles of the invention, reference will now be made to the embodiments illustrated in the drawings, and specific language will be used to describe the same. It should be understood, however, that no limitation of the scope of the invention is thereby intended. Any alterations and further modifications to the described embodiments, and any further applications of the principles of the invention as described herein, will normally occur to those skilled in the art to which the invention pertains.

[0011] refer to figure 1 , which shows the vehicle system 20 in schematic form. Other forms of vehicle systems are within the scope of the present application, and vehicle system 20 is but one such example. The vehicle system 20 includes an engine 30 coupled to an intake system 22 that provides boosted flow to the engine 30 and an exhaust system 24 that outputs exhaust ...

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Abstract

The invention relates to integrated power train compressor outlet temperature control. Provided systems, devices, and methods include vehicle system operating, and a vehicle system comprises an intakesystem connected to an internal combustion engine, the intake system is connected to a compressor and a transmission connected to the engine. Operating techniques include estimating an engine load ofthe engine by using a future horizon of vehicle operation based on current and predicted topographic information, and estimating a compressor outlet temperature of a compressor outlet based on the estimated engine load. The techniques include adjusting an engine operating state in response to the estimated compressor outlet temperature exceeding a compressor outlet temperature threshold. The engine operating state includes engine rotating speed and torque or transmission gear selection. A gear shifting starter comprises an automatic and manual gearbox, an intelligent gear shifting auxiliary system or other driver auxiliary equipment. If the estimated compressor outlet temperature is less than a threshold, gear selection of the transmission is maintained.

Description

technical field [0001] The present invention relates to internal combustion engine operation, and more particularly to systems and methods for regulating the engine operating state of an internal combustion engine to reduce charge air cooler failure due to high compressor outlet temperatures. Background technique [0002] Charge air coolers are usually supplied to the manufacturer by third parties, and therefore their design may vary. As a result, charge air coolers can fail at different temperatures due to design changes. Additionally, charge air coolers may fail due to high compressor outlet temperatures. In one example of a charge air cooler failure, high compressor outlet temperatures can exceed 250 degrees Celsius. A less than optimal solution is to reduce engine power to further control compressor outlet temperature. This is not an optimal solution because reduced engine power means less engine power and lower engine performance for the vehicle and operator. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B29/04F04D27/00
CPCF02B29/0493F04D27/00Y02T10/12
Inventor R.萨哈黄龙岗李国强
Owner CUMMINS INC
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