JB/T 9770-1999
Internal combustion engines.Gears for lubricating oil pumps.Specifications (English Version)

Standard No.

JB/T 9770-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Machinery

Status

Be replaced 2015-10

Replace By

JB/T 8413.4-2015

Latest

JB/T 8413.4-2015

Replace

ZB J94004-1988 NJ 38-1975

Scope

This standard specifies the technical requirements, inspection rules and marking, packaging, transportation, and storage of internal combustion engine oil pump gears. This standard applies to the main and passive gears of external meshing involute gear pumps made of steel and ductile iron for small and medium-power internal combustion engines.

JB/T 9770-1999 history

• 2015 JB/T 8413.4-2015 Oil pumps for internal combustion engines - Part 4: Specifications for steel gears
• 1999 JB/T 9770-1999 Internal combustion engines.Gears for lubricating oil pumps.Specifications

JB/T 9770-1999 Internal combustion engines.Gears for lubricating oil pumps.Specifications was changed to JB/T 8413.4-2015 Oil pumps for internal combustion engines - Part 4: Specifications for steel gears.