Linear oil seal means principally intended to obtain an oil scra

Means for locking housing parts against relative movement

Method for manufacturing an apex seal for a rotary piston engine

Multi-piece apex seal for a rotary engine

Multi-piece apex seal structure for a rotary piston engine

Multi-piece tilted apex seal assembly

Non-contact vane-type fluid displacement machine with rotor and

Non-crescent seal internal gear pump with sealing elements inser

Oil leak prevention structure of vacuum pump

Oil leak prevention structure of vacuum pump

Oil seal assembly

Oil seal assembly for rotary engine

Oil seal for rotary engine

Oil seal means for rotary piston engines including a nitrided an

Oil seal means in a rotary piston engine

Oil seal means of a rotary piston engine

Open type compressor

Parallel-and external-axial rotary piston blower operating in me

Piston of a rotary piston engine of trochoid type, having an int

Pivoted blade between rotor and stator having arcuate sections