This standard specifies the technical requirements, inspection rules and marking, packaging, transportation and storage of oil bath and oil immersed air filter assemblies for internal combustion engines. This standard applies to oil bath and oil immersed air filter assemblies for internal combustion engines with an air volume flow rate of less than 4000m3/h. JB/T 6004-1992 Technical conditions for oil bath and oil immersed air filter assemblies for internal combustion engines JB/T6004-1992 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB6004-92
Technical Conditions for Oil Bath and Oil-immersed Air Filter Assemblies for Internal Combustion Engines
Published on May 28, 1992
Implementation by the Ministry of Machinery and Electronics Industry of the People's Republic of China on January 1, 1993
Mechanical Industry Standard of the People's Republic of China
Technical Conditions for Oil Bath and Oil-immersed Air Filter Assemblies for Internal Combustion Engines
Subject Content and Scope of Application
Filter Assemblies
600492
This standard specifies the technical requirements, inspection rules and marking, packaging, transportation and storage of oil bath and oil-immersed air filter assemblies for internal combustion engines. This standard applies to oil bath and oil-immersed air filter assemblies for internal combustion engines with an air volume flow rate of less than 4000m/h (hereinafter referred to as assemblies).
Cited standards
GB2828
GB3821
JB/T6007
Technical requirements
Counting sampling procedures and sampling tables for batch inspection (applicable to inspection of continuous batches)Determination method of cleanliness of small and medium-power internal combustion enginesTechnical conditions for oil-bath and oil-immersed air filter elements for internal combustion enginesTest methods for air filters for internal combustion engines
Assemblies should be manufactured in accordance with product drawings and technical documents approved through prescribed procedures, and their technical requirements should comply with the provisions of this standard. At the rated air volume flow, the original resistance of the assembly shall comply with the provisions of Table 1 Table 1
Assembly type
Single-stage assembly for 1-cylinder and 2-cylinder internal combustion engines
Dual (multi)-stage assembly for 1-cylinder and 2-cylinder internal combustion engines Single-stage assembly for 3-cylinder and more than 3-cylinder internal combustion engines Dual (multi)-stage assembly with phase, basin, vane ring, tangential intake type coarse filter for 3-cylinder and more than 3-cylinder internal combustion engines Double (multi) stage assembly with swirl tube 3.3bzxz.net
Original resistance of assembly
Under rated air volume flow, the oil loss rate of assembly shall comply with the provisions of formula (1): When Q≤120m2/h, S≤4×10-3g/m When Q>120m/h, S≤2×10-3g/m
Where: Q—rated air volume flow of assembly, m2/h; S——oil loss rate of assembly, g/m.
Under rated air volume flow, the original filtration efficiency of assembly shall not be less than 99.5% (by weight). Under rated air volume flow, the coarse filter efficiency shall comply with the provisions of Table 2 Approved by the Ministry of Machinery and Electronics Industry on May 28, 1992 kPa
Implementation on January 1, 1993
Cap-type coarse filter
Coarse filter type
Pot-type, blade ring-type, tangential air intake coarse filter Cyclone tube phase filter
JB6004-92
Under rated air volume flow, the life of the assembly test chamber shall comply with the provisions of Table 3. 3.6.1
The resistance at the end of the life of the assembly test chamber for 1-cylinder and 2-cylinder internal combustion engines is 3.00 kPa. Coarse filter efficiency % (by weight)
The resistance at the end of the life of the assembly test chamber for 3-cylinder and more than 3-cylinder internal combustion engines is 6.00 kPa. 3.6.3
At the end of the laboratory life of the assembly, the assembly filtration efficiency shall not be less than 99%. Table 3
Assembly type
Single-stage assembly
Dual (multi) stage assembly for 1-cylinder and 2-cylinder internal combustion enginesDual (multi) stage assembly with radial, basin, blade ring, tangential intake type coarse filter for 3-cylinder and more than 3-cylinder internal combustion enginesDual (multi) stage assembly with cyclone coarse filter3.7
Assembly laboratory life
All sealing parts of the assembly shall be reliably sealed. After the assembly filtration efficiency test or assembly laboratory life test, all sealing parts shall have no trace of ash leakage.
: The internal cleanliness of the assembly shall comply with the provisions of formula (2):3.8
M
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