This standard specifies the terms and definitions, type and basic parameters, technical requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of refrigerant compressor for automobile air conditioning (hereinafter referred to as “compressor”).
It is applicable to various types of refrigerant compressors for automobile air conditioning which adopt R134a and R407C refrigerants. It also can be taken as reference by compressor of other vehicles or compressor using other environmental refrigerants.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB 1922 Petroleum solvents for paints and cleaning
GB/T 2423.17 Environmental testing for electric and electronic products - Part 2: Test method - Test Ka: Salt mist
GB 4706.17 Household and similar electrical appliances - Safety - Particular requirements for motor-compressors
GB/T 5773 The method of performance test for positive displacement refrigerant compressors
GB/T 6283 Chemical products - Determination of water - Karl?Fischer method (General method)
GB/T 13306 Plates
GB/T 22068 Electrically driven compressor assembly for automobile air conditioning
JB/T 4330 Determination of noise emitted by refrigerating and air conditioning equipment
JB/T 7249 Refrigerating equipment - Terms
JB/T 9058-1999 Measuring method of refrigerating equipment cleanliness
3 Terms and definitions
For the purposes of this document, the terms and definitions given in JB/T 7249 and GB/T 5773 as well as the following apply.
3.1
open-type refrigerant compressor
a kind of refrigerant compressor that drives the shaft or other running parts outside the enclosure by the prime mover
3.2
semi-hermetically refrigerant compressor
a kind of refrigerant compressor without shaft seal, which may be dismantled on the site for maintenance of internal parts
3.3
hermetically refrigerant compressor
a kind of refrigerant compressor with the compressor or motor installed in a firmly welded or brazed enclosure
3.4
variable displacement refrigerant compressor
a kind of refrigerant compressor enabling the displacement adjustable by mechanical and (or) electrical methods
4 Type and basic parameters
4.1 Type
By the structural type, compressors may be classified into:
——open-type compressor;
——semi-hermetically compressor;
GB/T 21360-2018 The following standards are cited：
