This standard specifies terminology related to speed governors among the elements and system terminology commonly used in reciprocating internal combustion engines.
JIS B 0109-7:1999 history
1999JIS B 0109-1:1999 Reciprocating internal combustion engines -- Vocabulary of components and systems -- Part 1: Structure and external covers
1970JIS B 0109:1984 Glossary of terms relating to reciprocating internal-combustion engines (main parts)