| Patents for F04B 39 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups (22,436) |
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| 02/11/1998 | CN1172906A Piston of compressor, coating method of piston and coating device |
| 02/10/1998 | US5716199 Air pump with adiabatic warming means |
| 02/10/1998 | US5716197 High pressure compressor with internal, inter-stage cooled compression having multiple inlets |
| 02/04/1998 | EP0821763A2 Electrically-operated sealed compressor |
| 02/04/1998 | CN1172213A Single headed swash plate type compressor |
| 01/29/1998 | WO1998003793A1 Internal combustion engine driven oil-free compressor with sound attenuating structure |
| 01/29/1998 | DE19708191A1 Transportation securing and protection device for portable and mobile compressor |
| 01/28/1998 | CN1171492A Valve structure in compressor |
| 01/27/1998 | US5712249 Use of insulin-like growth factors I and II for inhibition of inflammatory response |
| 01/27/1998 | US5711615 Antifriction bearing |
| 01/27/1998 | US5711206 Piston and cylinder assembly for minimizing water blow-by in an air compressor |
| 01/27/1998 | US5711150 Vehicle height control system for controlling vehicle |
| 01/21/1998 | EP0819333A1 Linear motor compressor and its application in cooling system |
| 01/21/1998 | CN1170859A Linear compressor |
| 01/21/1998 | CN1170830A Closed compressor |
| 01/21/1998 | CN1170827A Piston type compressor |
| 01/21/1998 | CN1170825A Base for closed compressor in out-door machine |
| 01/20/1998 | US5709535 Multi-cylinder reciprocating compressor having improved discharge valve stopper assembly |
| 01/15/1998 | DE19701454A1 Swashplate compressor e.g. for motor vehicle air-conditioning system |
| 01/15/1998 | DE19701253A1 Swashplate driven compressor e.g. for motor-vehicle air-conditioning system |
| 01/14/1998 | EP0818625A2 Pistons for compressors and method and apparatus for coating the pistons |
| 01/14/1998 | EP0754273B1 Mechanical oil pump for a variable speed hermetic compressor |
| 01/14/1998 | CN1170269A Steel sheets for stator cores, stator cores with the steel sheets and munufacture thereof |
| 01/14/1998 | CN1170105A Piston support apparatus for linear compressor |
| 01/14/1998 | CN1170089A Compressor for refrigerator |
| 01/13/1998 | US5707220 Centrifugal oil pump for a variable speed hermetic compressor |
| 01/13/1998 | US5707216 Suction noise muffler mounting apparatus for hermetic compressor |
| 01/13/1998 | US5706850 Oil diffuser |
| 01/08/1998 | DE19728498A1 Pump handling pasty cosmetics or foodstuffs |
| 01/07/1998 | EP0815360A1 Oil pump, especially for a hermetically-encapsulated refrigerant compressor |
| 01/07/1998 | EP0815277A1 Corrosion resistant cermet wear parts |
| 01/06/1998 | US5704771 Vibrating compressor |
| 01/06/1998 | US5704769 Noise suppressing mechanism in piston-type compressor |
| 12/30/1997 | US5703336 Exhaust noise suppressing apparatus for hermetic compressor |
| 12/30/1997 | US5702239 Air pump with dual air intakes |
| 12/30/1997 | US5702236 Reciprocating piston type compressor having a discharge chamber with a plurality of pulsation attenuating subchambers |
| 12/30/1997 | US5701668 Method of making a refrigeration compressor thrust bearing assembly |
| 12/29/1997 | EP0814289A2 Switching valve, fluid compressor and heat pump type refrigeration system |
| 12/29/1997 | EP0814260A2 Thermostatically controlled intercooler system for a multiple stage compressor and method |
| 12/24/1997 | CN1168449A Lubricating structure for compressor |
| 12/24/1997 | CN1168448A Variable displacement compressor |
| 12/23/1997 | US5699673 Compressed dry air supply system |
| 12/18/1997 | WO1997047882A1 Hermetic compressor |
| 12/16/1997 | US5697766 Hermetic motor compressor suction muffler connection assembly |
| 12/11/1997 | DE19723628A1 Gas compressor |
| 12/10/1997 | CN1167522A Rotary compressor |
| 12/09/1997 | US5694784 Vehicle air conditioning system |
| 12/09/1997 | US5694780 Condensed liquid pump for compressor body cooling |
| 12/04/1997 | DE19722688A1 Compressor, e.g. for use in automobile air conditioning |
| 12/02/1997 | US5692540 Automatic air compressor drain device |
| 11/26/1997 | EP0809025A1 Reciprocating pistons of piston-type compressor |
| 11/26/1997 | EP0808442A1 Cooled air cycle system and method for operating such a system |
| 11/26/1997 | CN1165918A Refrigerating circulation or compressor with foreign matter collector |
| 11/26/1997 | CN1165917A Mfg. method for enclosed shell of sealing compressor as well as sealing compressor |
| 11/25/1997 | US5690017 Diaphragm pump with at least one reciprocating piston and balancing device therefor |
| 11/20/1997 | WO1997043585A1 Series connected primary and booster compressors |
| 11/20/1997 | WO1997043570A1 Activation pin |
| 11/20/1997 | WO1997043547A1 A suction arrangement for a reciprocating hermetic compressor |
| 11/20/1997 | WO1997043546A1 A suction arrangement in a reciprocating hermetic compressor |
| 11/20/1997 | DE19706066A1 Compressor providing compressed air in vehicle |
| 11/20/1997 | DE19639555C1 Reciprocating machine such as membrane pump or piston compressor |
| 11/20/1997 | CA2254964A1 Activation pin |
| 11/19/1997 | EP0807223A1 Compressor valve |
| 11/18/1997 | US5688111 Valved suction mechanism of a refrigerant compressor |
| 11/18/1997 | US5688109 Oil-level controller for compressor |
| 11/12/1997 | EP0805921A1 Volumetric machine with curved liners |
| 11/12/1997 | CN1164617A Variable displacement compressor |
| 11/11/1997 | US5685203 Compressor running gear |
| 11/11/1997 | US5685168 Refrigerating apparatus |
| 11/06/1997 | WO1997041352A1 Cylinder head-suction muffler assembly for hermetic compressor |
| 11/06/1997 | DE19714894A1 Non-return outlet valve for compressor |
| 11/06/1997 | DE19712348A1 Oscillating plate compressor for vehicle air conditioning plant |
| 11/06/1997 | DE19709935A1 Fridge compressor, with variable displacement |
| 11/05/1997 | EP0804685A2 Hydraulically operated actuator |
| 11/05/1997 | EP0804684A1 Compressor |
| 11/04/1997 | US5683235 Head port sealing gasket for a compressor |
| 11/04/1997 | US5683234 Hand pump apparatus having two pumping strokes and having an attachment member for engaging with different tire valves |
| 11/04/1997 | US5683232 Pump particularly useful in respirator apparatus and exhalation valve assembly thereof |
| 10/30/1997 | DE19714143A1 Tumbler disc compressor |
| 10/30/1997 | DE19711274A1 Structure to lubricate inclined plate multi-piston compressor |
| 10/30/1997 | DE19711272A1 Integrated valve for compressor used in motor vehicle air conditioning |
| 10/29/1997 | CN1163656A Axial flow valve system for linear compressor |
| 10/29/1997 | CN1163655A Piston for compressor and piston-type compressor |
| 10/28/1997 | US5681372 Sucking air with entrained oil from reservoir using suction pump, discharging oil entrained air into a filter arrangement to separate oil and air, discharging air in to atomosphere and separated oil is returened to the reservoir |
| 10/28/1997 | US5681154 Air pump with dual air intakes |
| 10/28/1997 | US5680881 Valve system for hermetic reciprocating compressor |
| 10/23/1997 | WO1997027402A3 Electrically-operated sealed compressor |
| 10/21/1997 | US5678983 Discharge fluid actuated assist for opening an outlet reed valve of a hermetic compressor system |
| 10/21/1997 | US5678603 Plate valve, particularly for piston compressors |
| 10/18/1997 | CA2206885A1 Acoustic chamber |
| 10/16/1997 | WO1997038251A1 Suction valve for an axial piston compressor |
| 10/15/1997 | EP0801227A2 Method and device for influencing a compressor inlet valve |
| 10/15/1997 | CN1162063A Gas turbine, combined circulation device and air compressor |
| 10/14/1997 | US5676533 Discharge valve arrangement for a hermetic type compressor |
| 10/09/1997 | WO1997037130A1 Suction silencer system for a refrigeration compressor |
| 10/09/1997 | DE19614239C1 Reciprocating compressor for reactive media |
| 10/08/1997 | EP0799995A1 Arrangement of inlet and outlet passages for a reciprocating compressor |
| 10/08/1997 | EP0799635A1 Method and device for drying a compressed gas |
| 10/08/1997 | EP0799606A2 Impression tray for fixed dental prosthesis |
| 10/08/1997 | EP0799382A1 Liquid ring gas pump with a silencer in the pressure chamber |