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

内燃机电控式硅油风扇离合器技术条件

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

January 15, 2016

Implementation date

June 1, 2016

Scope

JB/T 12657-2016 is the English-translated version of 内燃机电控式硅油风扇离合器技术条件.

JB/T 12657-2016 is the recommended Chinese machinery industry standard for electronically controlled silicone oil fan clutches used on internal combustion engines.

It lays down the terminology and definitions, the classification, the designation and model specifications, the technical requirements, the test methods and the inspection rules, then marking, packaging, transport and storage.

The clutches it covers are those for reciprocating internal combustion engines transmitting a torque of not more than 200 newton metres, called fan clutches for short in the text.

It quotes GB/T 2828.1-2012, GB/T 11021 and JB/T 12658-2016. The Chinese classification is J96, the ICS code 27.020.

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Document preview — JB/T 12657-2016

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 Classification, codes and model specifications
4.1 Classification and codes
4.2 Model specifications
5 Technical requirements
5.1 General
5.2 Dimensions
5.3 Appearance requirements
5.4 Working voltage
5.5 Performance
5.6 Corrosion resistance
5.7 Insulation performance
5.8 Heat resistance of the insulation
5.9 Sealing at high and low temperature
5.10 Bench reliability
6 Test methods
7 Inspection rules
7.1 Type test
7.2 Factory inspection
7.3 Sampling plan and assessment rules
8 Marking, packaging, transport and storage
8.1 Marking
8.2 Packaging
8.3 Transport
8.4 Storage
Figure 1 Pulse width against rotational speed characteristics
Figure 2 Characteristic curve of the response time
Figure 3 Classification by direction of rotation
Figure 4 Structural diagram of the fan clutch
Table 1 Classification and codes
Table 2 Fit dimensions of the connecting shaft flange of the fan clutch (recommended dimensions)
Table 3 Fit dimensions of the connection between the fan clutch and the fan (recommended dimensions)
Table 4 Requirements on the characteristic parameters of the fan clutch
Table 5 Items of the type test and of the factory inspection

What this standard covers

This standard specifies the terminology and definition, classification, designation, model specification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of the internal combustion engine electronic control silicone oil fan clutch. 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: 11,177 words.

Standards quoted by this document

GB/T 2828.1-2012; GB/T 11021; JB/T 12658-2016

3 Terms and definitions

4 Classification, codes and model specifications

5 Technical requirements

6 Test methods

7 Inspection rules

8 Marking, packaging, transport and storage

......
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 12658-2016Internal combustion engines - Electronically controlled silicone oil fan clutches - Test methods

Similar standards

JB/T 12658-2016|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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