Serpentine belt useful life monitor

A belt and control module technology, applied in the direction of belt/chain/gear, machine/engine, transmission, etc., can solve problems such as the effective life of the belt

Active Publication Date: 2009-08-05
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such test results cannot be used to accurately determine the effective life of the belt under different load conditions or under different load conditions

Method used

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  • Serpentine belt useful life monitor
  • Serpentine belt useful life monitor
  • Serpentine belt useful life monitor

Examples

Experimental program
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Embodiment Construction

[0016] The following description is merely illustrative in nature and not intended to limit the invention and its application or use. For purposes of clarity, the same reference numerals will be used to designate like parts in the drawings. As used herein, the phrase "at least one of A, B, and C" is to be read as a logical (A or B or C), a non-exclusive logical or. It should be realized that steps within a method may be executed in different order without altering the principles of the present invention.

[0017] As used herein, the term "module" means an "application-specific integrated circuit (ASIC)," an electronic circuit, a processor (common, dedicated, or group) and memory, a combinational logic circuit, that executes one or more software or firmware programs And / or other suitable components that provide said functionality.

[0018] see now figure 1 , which shows an example hybrid electric vehicle 10 including an engine assembly 12 , a hybrid power assembly 14 , a tr...

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PUM

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Abstract

The invention relates to a snake belt effective service life monitor. A control module of a vehicle comprises a drive diagnostic module and a power determination module. The drive diagnostic module determines a slip power of a belt based on engine speed, motor speed, and motor torque. The power determination module determines an accumulated power of the belt based on the slip power, the motor speed, and the motor torque. The control module diagnoses a condition of the belt based on the accumulated power.

Description

[0001] Cross-references to related application documents [0002] This application claims the benefit of a US provisional application filed February 1, 2008. The disclosure of said US provisional application is hereby incorporated by reference. technical field [0003] The content disclosed in this application relates to the auxiliary drive system, and in particular to the effective life monitor of the serpentine belt of the auxiliary drive system. Background technique [0004] The background art described here is used to generally introduce the context of the present application. The work of the inventors enumerated here is to the extent described in this Background section, and to aspects described which might not otherwise be considered prior art at the time of this filing. It is neither expressly nor impliedly admitted to be prior art with respect to the disclosure of this application. [0005] A hybrid electric vehicle may include an internal combustion engine, an e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/36B60R16/02
CPCG01M15/05F02B77/081F16H7/02Y02T10/84F02B67/06
Inventor J·R·于尔吉尔E·B·舒特
Owner GM GLOBAL TECH OPERATIONS LLC
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