Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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04/12/1977 | US4017223 Axial thrust adjustment for dual screw-type pump |
04/05/1977 | US4015441 Refrigeration apparatus |
03/15/1977 | US4012183 Rotary vane compressor with vane extension means |
02/15/1977 | US4008014 Piston seals for rotary mechanisms |
02/15/1977 | US4008013 Fluid rotative machine with variable displacement |
02/15/1977 | US4007715 Rotary engines, compressors and vacuum pumps |
02/01/1977 | US4005953 Piston of a rotary piston engine of trochoid type, having an internal seal |
02/01/1977 | US4005951 Rotary vane engine with orbiting inner and outer members |
02/01/1977 | US4005950 Bearings for slant axis rotary mechanisms |
01/25/1977 | US4004864 Method for modifying a compressing apparatus unit |
12/28/1976 | US3999905 Rotary mechanism |
12/28/1976 | US3999903 Combination thrust and journal bearing |
12/28/1976 | US3999902 Slant axis rotary mechanism with relieved apex portions |
12/07/1976 | US3995976 Rotary device with axially biased blade and rotor sections |
11/30/1976 | US3994638 Oscillating rotary compressor |
11/30/1976 | US3994637 Rotary piston engine of trochoidal design |
11/30/1976 | US3994636 Axial compliance means with radial sealing for scroll-type apparatus |
11/30/1976 | US3994635 Scroll member and scroll-type apparatus incorporating the same |
11/09/1976 | US3990819 Seals for rotary mechanisms |
11/02/1976 | US3989426 Vane pump |
11/02/1976 | US3989422 Displacement machine for compressible media |
11/02/1976 | US3989421 Housing construction for slant axis rotary mechanism |
11/02/1976 | US3989413 Gas compressor unloading means |
10/26/1976 | US3988080 Rotary vane compressor with outlet pressure biased lubricant |
10/26/1976 | US3988078 Seals for rotary engines |
10/19/1976 | US3986801 Screw compressor |
10/19/1976 | US3986799 Fluid-cooled, scroll-type, positive fluid displacement apparatus |
09/28/1976 | US3982861 Rotor construction for slant axis rotary mechanisms |
09/28/1976 | US3982860 Thrust bearings for slant axis rotary mechanisms |
09/21/1976 | US3981703 Multistage vane type rotary compressor |
09/21/1976 | US3981640 Slant axis rotary mechanism |
09/21/1976 | US3981638 Rotary piston machine |
08/24/1976 | US3976403 Rotary vane fluid pressure machine |
08/17/1976 | US3975123 Shaft seals for a screw compressor |
08/10/1976 | US3973881 Vane-type pump or motor with undervane fluid bias |
08/10/1976 | US3973469 Floating chamber machine |
08/03/1976 | US3972660 Corner seals for rotary mechanisms |
08/03/1976 | US3972658 Housing for slant axis rotary mechanism |
08/03/1976 | US3972657 Slant axis rotary mechanism |
06/29/1976 | US3966370 Rotary piston machine for transporting liquid or gaseous media |
06/15/1976 | US3963390 Bearing arrangement for rotary piston engine for compressing and expanding gases |
06/15/1976 | US3963386 Rotary motor with inflatable expansion member |
06/15/1976 | US3963379 Convertible engine-air compressor apparatus for driving a vehicle |
05/18/1976 | US3957404 Vanes for fluid power converter |
05/18/1976 | US3956904 Compressor-expander for refrigeration having dual rotor assembly |
05/04/1976 | US3954358 Compressor |
05/04/1976 | US3954357 Air pump pivot pin restraint |
04/20/1976 | US3951575 Controlled output gear pump and motor |
03/30/1976 | US3947164 Rotatable machine operating as a compressor or a motor |
03/30/1976 | US3947163 Screw rotor machine with axially balanced hollow thread rotor |
03/30/1976 | US3947078 Rotary screw machine with rotor thrust load balancing |
03/23/1976 | US3945777 Bearing and bearing support for rotary piston engine for compressing and expanding gases |
03/23/1976 | US3945216 Refrigeration systems |
03/02/1976 | US3941524 Rotary piston engine having a trochoidal piston and annularly-closed axial seals in the piston |
03/02/1976 | US3941522 Modified rotary compressor yielding sinusoidal pressure wave outputs |
03/02/1976 | US3941521 Rotary compressor |
03/02/1976 | US3941520 Method and device for injection of liquid |
02/17/1976 | US3938919 Rotary piston machine of trochoidal construction |
02/17/1976 | US3938915 Screw rotor machine with hollow thread rotor enclosing a screw cam rotor |
02/03/1976 | US3936248 Casing for rotary piston engines of trochoidal construction |
02/03/1976 | US3936239 Undercompression and overcompression free helical screw rotary compressor |
01/13/1976 | US3932073 Screw rotor machine with spring and fluid biased balancing pistons |