Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
Patents for F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups (16,981)
06/1991
06/05/1991EP0430854A1 Multipiece eccentric shaft
06/05/1991EP0430853A1 Slider block radial compliance mechanism
06/05/1991EP0430636A2 Gas removable pump for liquid
06/04/1991US5021629 Electric plasma arc powder welded slide layer for rotary fluid pump vane
05/1991
05/29/1991EP0429208A2 Fluid compressing apparatus
05/29/1991EP0428729A1 Scroll type fluid handling machine
05/28/1991US5018953 Rotor with eccentrically positioned retainer pin
05/28/1991CA2030493A1 Gas removable pump for liquid
05/28/1991CA1284479C Fluid control valve
05/21/1991US5017108 Scroll compressor with first and second oil pumps in series
05/21/1991US5017107 Slider block radial compliance mechanism
05/16/1991WO1991006776A1 Scroll compressor
05/16/1991WO1991006774A1 Scroll compressor
05/16/1991WO1991006772A1 Scroll compressor
05/16/1991WO1991006770A1 Scroll compressor
05/16/1991WO1991006769A1 Scroll compressor
05/16/1991WO1991006768A1 Scroll compressor
05/16/1991WO1991006767A1 Scroll compressor
05/16/1991WO1991006766A1 Scroll compression
05/16/1991WO1991006765A1 Scroll compressor
05/16/1991WO1991006764A1 Scroll compressor
05/16/1991WO1991006763A1 Scroll compressor
05/15/1991EP0427659A2 Slider block radial compliance mechanism
05/15/1991CN1051422A Method for cooling compressor
05/08/1991EP0426206A2 Hermetic scroll type compressor
05/08/1991EP0426078A1 Method of operating a volumetric pump
05/07/1991US5013226 Rotating scroll machine with balance weights
05/07/1991US5013225 Lubrication system for a scroll compressor
05/07/1991US5012896 Lubricating system for rotary horizontal crankshaft hermetic compressor
05/02/1991DE4033818A1 Plastics resin relief valve for gas compressor - incorporates hollow circular contg. attached to bolt
04/1991
04/30/1991US5011388 Oil-free screw compressor apparatus
04/30/1991US5011384 Slider block radial compliance mechanism for a scroll compressor
04/25/1991DE3153685C2 Sliding vane pump for vehicle braking
04/24/1991EP0423248A1 Rotary screw compressor with oil drainage.
04/23/1991US5009782 Liquid separator integrated into a pressure chamber housing abutting a liquid ring pump
04/23/1991US5009577 Rotary compressor of variable displacement type
04/23/1991US5009212 Port fuel injection and induction system for internal combustion engine
04/18/1991WO1991005167A1 Lubricant circuit for a compressor unit and processes of circulating lubricant
04/17/1991EP0422829A1 Scroll machine with reverse rotation protection
04/17/1991EP0422311A1 Arrangement for reducing bearing loads in scroll compressors
04/17/1991CN1012386B Compressor for fluids
04/16/1991US5007813 Rotary rolling piston compressor with fixed vane having a relieved incline section
04/16/1991US5007810 Scroll compressor with unitary crankshaft, upper bearing and counterweight
04/16/1991US5007809 Scroll compressor with dividing chamber for suction fluid
04/16/1991US5007808 Slotted rotor lubrication system
04/11/1991DE3933047A1 Pressurised liq. flow dispensing mechanism
04/11/1991DE3932299A1 Sliding vane pump - uses sound wave interference effect to reduce operating noise level
04/10/1991EP0420886A1 Liquid ring compressor.
04/10/1991CN1050591A Fluid compressor
04/09/1991US5006051 Rotary two-cylinder compressor with delayed compression phases and oil-guiding bearing grooves
04/09/1991US5006045 Scroll compressor with reverse rotation speed limiter
04/09/1991CA1282755C Drive system for the orbiting scroll of a scroll type fluid compressor
04/05/1991CA2016823A1 Lubrication system for the crank mechanism of a scroll compressor
04/04/1991WO1991004416A1 Rotary compressor and process of compressing compressible fluids
04/02/1991US5004410 High frequency noise suppressor for hermetic rotary compressors
04/02/1991US5004408 Discharge system for rotary rolling piston compressor
04/02/1991CA1282386C Scroll type compressor with displacement adjusting mechanism
03/1991
03/30/1991CA2021098A1 Compressor with an isolated vane slot
03/30/1991CA2021084A1 Motor-compressor with means to reduce noise
03/26/1991US5002470 Internal stator rolling rotor motor driven scroll compressor
03/21/1991WO1991003647A1 Improvements in pumps
03/21/1991WO1991003646A1 Blade cell compressor
03/19/1991US5000669 Hermetic scroll type compressor having two section chambers linked by inclined oil passage
03/14/1991DE3929745A1 Fluegelzellenkompressor Fluegelzellenkompressor
03/13/1991EP0416224A2 Fluid compressor
03/12/1991US4998864 Scroll machine with reverse rotation protection
03/05/1991US4997350 Scroll fluid machine with bearing lubrication
03/05/1991US4997349 Lubrication system for the crank mechanism of a scroll compressor
02/1991
02/27/1991EP0413728A1 Lift valve in a rotary screw machine
02/26/1991US4995797 Rotary screw vacuum pump with pressure controlled valve for lubrication/sealing fluid
02/26/1991US4995796 Multi-section roots vacuum pump of reverse flow cooling type
02/26/1991US4995794 Vacuum pumps
02/26/1991US4995792 Compressor system with self contained lubricant sump heater
02/26/1991US4995789 Enclosed type electric compressor
02/19/1991US4993927 Scroll fluid machine with lubrication of oldham coupling
02/13/1991EP0412948A2 Quick disassembly system for rotary vacuum pumps
02/12/1991US4992033 Scroll-type machine having compact Oldham coupling
02/12/1991US4992028 Liquid ring pump
02/05/1991US4990073 Two-cylinder rotary compressor having improved valve cover structure
02/05/1991US4989997 Radial load reducing device, and sliding bearing and screw compressor using the device
02/05/1991CA1279856C Oilless rotary type compressor system
02/05/1991CA1279854C Scroll type fluid compressor with axial clearance adjusting construction
01/1991
01/30/1991EP0410074A2 Radial load reducing device, and sliding bearing and screw compressor using the device
01/30/1991CN1048880A Recoving device for wet screw compressor torch gas
01/29/1991CA1279621C Rotary compressor
01/23/1991EP0409287A1 Vacuum pump with displacement space
01/22/1991US4986740 Mechanical supercharger having a thrust bearing
01/17/1991DE4019854A1 Vane cell vacuum pump for servo drive - use of kidney-shaped hole as outlet channel
01/17/1991DE3922367A1 Pressurised liq. flow dispensing mechanism
01/15/1991US4984974 Screw type vacuum pump with introduced inert gas
01/09/1991EP0406800A2 Vane vacuum pump with dosing device
01/09/1991CN1048437A Fluid compressor
01/08/1991US4983108 Low pressure container type rolling piston compressor with lubrication channel in the end plate
01/08/1991US4983107 Multistage rotary piston vacuum pump having sleeves to fix shaft positions
01/08/1991US4983106 Rotary screw machine with multiple chambers in casing for lubrication-coding fluid
01/08/1991CA1278691C Temperature sensitive solenoid valve in a scroll compressor
01/03/1991DE4020764A1 Hermetically sealed rotary compressor - has axial gap for lubrication oil between piston and cylinder wall
01/02/1991EP0405224A2 Fluid compressor
01/02/1991EP0404921A1 Rotor pair for a high-pressure screw-type compressor.
12/1990
12/27/1990EP0404424A1 A drive system for a pump/compressor
1 ... 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 ... 170