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JB/T 12658-2016Internal combustion engines - Electronically controlled silicone oil fan clutches - Test methods (English PDF)

内燃机电控式硅油风扇离合器试验方法

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

January 15, 2016

Implementation date

June 1, 2016

Scope

JB/T 12658-2016 is the English-translated version of 内燃机电控式硅油风扇离合器试验方法.

The test methods for electronically controlled silicone oil fan clutches on internal combustion engines are the subject of JB/T 12658-2016, a recommended standard of the Chinese machinery industry.

It sets out the terminology and definitions, the test methods themselves and the test results. It applies to the electronically controlled silicone oil fan clutches of reciprocating internal combustion engines transmitting a torque of not more than 200 newton metres.

It quotes GB/T 10125, JB/T 6723.1, JB/T 6723.2, JB/T 12657-2016, JB/T 11204 and QC/T 413-2002. The document carries the Chinese classification J96 and the ICS code 27.020.

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Document preview — JB/T 12658-2016

National Standard of the People's Republic of China

ICS: 27.020

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

1 Scope
2 Normative references
3 Terms and definitions
4 Test methods
4.1 Test conditions
4.2 Detection of the fluctuation of the working voltage
4.3 Response time characteristics (ECU control, ON/OFF control)
4.4 Pulse width against rotational speed characteristics (ECU control)
4.5 Corrosion resistance
4.6 Insulation performance
4.7 Sealing at high and low temperature
4.8 Bench reliability
5 Processing of the test results
Annex A (normative) Processing of the results of the performance test of the fan clutch
Figure 1 Test device of the fan clutch
Figure 2 Diagram of the specification of the response time test
Figure 3 Diagram of the specification of the bench reliability test of the fan clutch
Figure A.1 Characteristic curve of the response time of the fan clutch
Figure A.2 Characteristic curve of the pulse width against rotational speed of the fan clutch
Table A.1 Record form of the results of the performance test of the fan clutch

What this standard covers

This standard specifies the terminology and definition of the internal combustion engine electronic control silicone oil fan clutch, test methods and test results. This standard applies to the reciprocating internal combustion engine transmission torque of not more than 200 N µ m of the electronic control silicone fan clutch (hereinafter referred to as the fan clutch).

Document data

International classification (ICS): 27.020.

Chinese classification (CCS): J96.

Estimated length of the Chinese original: 9,955 words.

Standards quoted by this document

GB/T 10125; JB/T 6723.1; JB/T 6723.2; JB/T 12657-2016; JB/T 11204; QC/T 413-2002

3 Terms and definitions

4 Test methods

5 Processing of the test results

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Cited by

JB/T 12657-2016Internal combustion engines - Electronically controlled silicone oil fan clutches - Technical requirements

Similar standards

JB/T 12657-2016|JB/T 11204-2020|JB/T 8413.9-2019|QC/T 33-2006|QC/T 747-2006|JB/T 12656-2016

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