Patents for F01C 19 - Sealing arrangements in rotary-piston machines or engines (1,301)
07/1992
07/01/1992EP0492759A2 Non-orbiting scroll mounting arrangements for a scroll machine
06/1992
06/23/1992US5123820 Pressure assisted apex seal with stepped slot
06/23/1992US5123333 Seals for housing of a rotary actuator
05/1992
05/19/1992US5114322 Scroll-type machine having an inlet port baffle
04/1992
04/30/1992CA2051734A1 Scroll apparatus having a modified tip seal groove
04/21/1992US5105634 Scroll apparatus having a modified tip seal groove
04/07/1992US5102316 Non-orbiting scroll mounting arrangements for a scroll machine
02/1992
02/05/1992EP0469415A2 Sealing strip arrangement for a rotary piston engine
02/01/1992CA2045062A1 Pressure assisted apex seal with stepped slot
01/1992
01/22/1992EP0466732A1 Sealing arrangement and torsional actuator incorporating same
01/15/1992EP0465962A1 Sealing system for rotary internal combustion machine
01/15/1992CN2093249U Double magnetic blade gas motor
01/10/1992CA2044842A1 Multi-piece tilted apex seal assembly
12/1991
12/17/1991US5073097 Multi-chamber rotary lobe fluid machine with positive sliding seats
12/11/1991CN2090441U Gas motor with single-magnetic vanes
10/1991
10/23/1991EP0453303A1 Method of forming a coating on a reactor coolant pump sealing surface
10/16/1991EP0451669A1 Positive displacement machine for compressible fluids
10/15/1991US5057340 Method of forming a coating on a reactor coolant pump sealing surface
09/1991
09/18/1991EP0446635A2 Scroll-type fluid machinery
09/17/1991US5049051 Multi-piece tilted apex seal assembly
09/17/1991US5049049 Rotary piston internal combustion engine
09/10/1991US5046718 Floating ring labyrinth-type dynamic shaft seal and process for using same
09/04/1991CN2084104U External arcuate sliding block rotary piston machine and sealing device
09/04/1991CN1013794B Disk-type rotary piston pump
08/1991
08/20/1991US5040956 Magnetically actuated seal for scroll compressor
08/13/1991US5039288 Rotary engine having an apex seal member
08/08/1991DE4003675A1 Revolving piston IC engine - has enclosing sealed insert installed on eccentric of shaft between ring gear and pinion of synchronous gear
07/1991
07/25/1991WO1991010820A1 Rotary piston internal combustion engine
07/25/1991WO1991010811A1 Rotary-piston internal-combustion engine
07/25/1991DE4039300A1 Rotary IC engine - has ceramic sealing strips in structured piston grooves
07/10/1991EP0435878A1 Planetary piston internal combustion engine.
06/1991
06/26/1991EP0434597A1 Magnetically actuated seal for scroll compressor
06/26/1991CN1052536A Dual-vane three-action fluid machinery
05/1991
05/29/1991CN1051777A Rotary piston machine seal
05/08/1991DE3936429A1 Sealing gap in pump or compressor - involves use of fibre materials to form flocculation zones
04/1991
04/23/1991US5009583 Shaft seal and bearing members for a rotary screw compressor
04/10/1991CN2074831U Cycloid rotator lubricating pump
04/05/1991WO1991005144A1 Rotary piston machine seal
04/05/1991CA2067345A1 Rotary piston machine seal
04/02/1991CA1282385C Axial sealing mechanism for a scroll type fluid displacement apparatus
02/1991
02/20/1991CN1011724B E-shaped rotary polygonal piston engine
02/12/1991US4992033 Scroll-type machine having compact Oldham coupling
02/05/1991CA1279855C Axial sealing mechanism for scroll type fluid displacement apparatus
01/1991
01/15/1991CA1279048C Method and apparatus for adjusting the angular relationship of spiral elements in a scroll type fluid displacement apparatus
01/09/1991CN2069019U Centrifugal blades type rotor engines
11/1990
11/13/1990US4969810 Spiral displacement machine with radially inner seal gap for temperature expansion
10/1990
10/18/1990WO1990012199A1 Sealing arrangement and torsional actuator incorporating same
09/1990
09/26/1990EP0323979A4 Rotary machine
09/04/1990US4954058 Method for making composite sintered apex seal material
08/1990
08/22/1990EP0383143A2 Radial sealing
08/13/1990CA2008711A1 Apex seal with filled aperture (13496-ca)
08/08/1990CN1044518A Disk-type rotary piston pump
07/1990
07/04/1990CN1008645B Vane type pneumatic engine
06/1990
06/26/1990US4936912 Sintered apex seal material
06/21/1990DE3841937A1 Rotary engine
06/05/1990US4931001 Apex seal with filled aperture
03/1990
03/07/1990EP0240491B1 Rotary engine
02/1990
02/22/1990WO1990001676A1 Planetary piston internal combustion engine
01/1990
01/10/1990EP0349574A1 Screw rotor machine.
01/03/1990EP0348804A2 Wear-resistant component and process for preparing it
01/02/1990US4890990 Rotary internal combustion engine with mutually interengaging rotatable elements
12/1989
12/27/1989CN1038332A Rotary engine
12/14/1989WO1989012160A1 Rotary engine
12/13/1989EP0345392A1 Rotary engine
11/1989
11/28/1989US4883413 Rotary spiral piston displacement machine having a silicon rubber biased seal
10/1989
10/31/1989US4877382 Scroll-type machine with axially compliant mounting
07/1989
07/19/1989EP0323979A1 Rotary machine
07/11/1989US4846642 Rotary piston blower with foamed synthetic material surfaces running along roughened metal surfaces
06/1989
06/14/1989CN1004501B Controllable sealing washer for triangle-like rotary piston engine
05/1989
05/10/1989CN2037392U Air cooled separating cylinder rotor internal combustion engine
04/1989
04/25/1989US4824125 Axial seal for a rotary-piston engine
04/25/1989US4823678 Rotary actuator
04/18/1989US4822262 Rotary engine having rollers for the apex seal
04/04/1989US4818630 Seamless oriented metal fiber structure
04/04/1989US4818199 Spiral displacement machine for compressible media with embossed sheet metal seal strip
03/1989
03/09/1989DE3827736A1 Spiral displacement machine
03/08/1989CN1031579A Vane type pneumatic engine
03/07/1989US4809590 Sealing arrangement for rotary vane-type motors
03/01/1989CN1031406A 旋转发动机 Rotary engine
02/1989
02/28/1989US4808096 Axial sealing system of a rotary piston engine
01/1989
01/11/1989EP0298315A1 Scroll-type displacement engine
01/10/1989US4797076 Inner seal of a rotary piston engine
12/1988
12/14/1988CN88102501A E-shaped rotary polygonal piston engine
12/13/1988US4790734 Radial seal of a rotary piston engine
11/1988
11/30/1988EP0292680A2 Rotary piston machine with two cylinders arranged parallely to each other
11/22/1988US4786241 Radial seal of a rotary piston engine
09/1988
09/22/1988WO1988007137A1 Screw rotor machine
08/1988
08/30/1988US4767293 Scroll-type machine with axially compliant mounting
07/1988
07/28/1988DE3735027A1 Seal for a displacement machine
06/1988
06/28/1988US4753585 Prime mover with toothed rotors having different diameter portions
06/07/1988CA1237673A1 Rotary engine
05/1988
05/18/1988EP0267559A1 Rotary piston blower
05/05/1988DE3735433A1 Displacement machine for compressible media
04/1988
04/19/1988US4738602 Method for manufacturing an apex seal for a rotary piston engine using high energy heating radiation
04/07/1988WO1988002438A1 Rotary machine
04/07/1988DE3633330A1 Sealing strips for rotary piston machine - are spring-loaded at low speed but have running clearance at high speed
04/07/1988DE3633329A1 Rotary engine
04/05/1988US4735560 Seal assembly for a rotary device
03/1988
03/22/1988US4732550 Scroll fluid machine with fine regulation elements in grooves having stepped portion
03/15/1988US4730375 Method for the assembly of a scroll-type apparatus
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