US 11,988,207 B2
Sealing system for a rotary-piston compressor
Maksym Victorovich Olenych, Noviy gorodok (RU)
Assigned to RPC ENGINEERING LIMITED LIABILITY COMPANY, Moscow (RU)
Appl. No. 17/426,016
Filed by RPC ENGINEERING LIMITED LIABILITY COMPANY, Moscow (RU)
PCT Filed Jan. 28, 2019, PCT No. PCT/RU2019/000049
§ 371(c)(1), (2) Date Jul. 27, 2021,
PCT Pub. No. WO2020/159394, PCT Pub. Date Aug. 6, 2020.
Prior Publication US 2022/0136505 A1, May 5, 2022
Int. Cl. F03C 2/00 (2006.01); F01C 19/00 (2006.01); F01C 19/10 (2006.01); F03C 4/00 (2006.01); F04C 2/00 (2006.01); F04C 18/00 (2006.01); F04C 18/22 (2006.01); F04C 27/00 (2006.01)
CPC F04C 18/22 (2013.01) [F01C 19/005 (2013.01); F01C 19/10 (2013.01); F04C 27/002 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A rotary piston compressor sealing system comprising radial sealing bars and butt sealing bars configured in rotor slots, tightened towards working surfaces by radial and butt sealing bar expanders and interacting with sealing cylinders,
wherein the radial sealing bars and butt sealing bars are made from an antifriction composite material and each sealing cylinder expander is configured conjointly with one of the ends of one butt sealing bar expander and also conjointly with one of the ends of one radial sealing bar expander, and
wherein each of the radial sealing bar expanders is configured orthogonally to the at least one butt sealing bar expander and has a slot.