Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Load children
F04
POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
Load children
F04C
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
Load children
18/00
Rotary-piston pumps specially adapted for elastic fluids
Load children Filter patents View analytics View as hierarchy Open in page
F04C18/02
of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
Load children Filter patents View analytics View as hierarchy Open in page
F04C18/06
of other than internal-axis type
Filter patents View analytics View as hierarchy Open in page

F04C18/06

Screw Compressor
20260117771 · 2026-04-30 ·

A screw compressor includes a first seal, a second seal, and a third seal which are non-contact seals from a rotor side to a bearing side of a shaft seal portion, a compressed gas supply device which is different from a rotor that supplies compressed gas between the first seal and the second seal, and a heating device that heats the compressed gas supplied between the first seal and the second seal from the compressed gas supply device.