Four-stroke engine with rotary valve control
Four-stroke internal combustion engine cylinder head
Four-stroke internal combustion engine with a rotary-spool...
Frustoconical valve stem sealing element
Fuel efficient valve mechanism for internal combustion engines
Gas and oil sealing in a rotary valve
Gas and oil sealing in a rotary valve
Gas engine having roller-shaped rotary slide valve
Gas exchange valve of an internal combustion engine
Gas exchange valve with a hollow space
Gas sealing element for a rotary valve engine
Gas sealing system for rotary valves
Gasoline engine fed with lean mixture only
Guide for a movable member
Hard facing alloy for engine valves and the like
Heat resistant and wear resistant iron-base sintered alloy
Heating of intake mixture for auxiliary chamber of internal comb
Heavy-duty valve stem seal
Heavy-duty valve stem seal assembly
Heavy-duty valve stem seal assembly