| Patents for F04B 51 - Testing machines, pumps, or pumping installations (2,128) |
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| 01/04/1989 | CN2030261U Flow testing platform for oil spray nozzle |
| 12/14/1988 | EP0294858A2 System and device for having desired liquid volumes supplied by a metering pump in variable flow rate condition |
| 10/18/1988 | US4777834 Method for determining a composite material constituting the moving parts of a hermetically sealed refrigerating compressor and hermetically sealed refrigerating compressor comprising the parts determined by said method |
| 08/10/1988 | CN87106757A Measuring and detecting system for volume pump and pump having this system |
| 07/27/1988 | CN86101614B Infrared spectrometry of back oil in vacuum system |
| 04/20/1988 | EP0264148A1 Flow measurement and monitoring system for positive-displacement pumps and pumps equipped with this system |
| 11/10/1987 | US4705459 Method of observing the pumping characteristics of a positive displacement pump |
| 10/27/1987 | US4702674 Method of accurately setting the flow rate of a variable-flow metering pump, and a metering pump employing the method |
| 10/13/1987 | US4698983 For the removal/replacement of oil from a crank case |
| 07/01/1987 | EP0226908A2 Method and device for flow measurement of oscillating displacement pumps |
| 05/27/1987 | EP0223654A1 Determination process of a composite material forming part of the moving parts of a hermetic refrigeration compressor, and hermetic refrigeration compressor with parts determined by such a process |
| 05/27/1987 | EP0223643A1 Process to define exactly the flow rate of a dosing pump, and such a pump |
| 05/19/1987 | US4665742 Method for determining the closing point of a pump piston relative to a transverse bore in the pump cylinder |
| 04/07/1987 | US4655689 Electronic control system for a variable displacement pump |
| 01/24/1987 | CN86101614A Infrared spectrometry of back oil in vacuum system |
| 06/04/1986 | EP0183295A1 A method of observing the pumping characteristics of a positive displacement pump, and a pump enabling the method to be implemented |
| 05/10/1986 | CN85108384A Method of observing the pumping characteristics of a positive displacement pump, and a pump enabling the method to be implemented. |
| 04/16/1986 | EP0177715A2 Process for detecting the closing point of a transverse bore by a piston in a pump cylinder |
| 07/09/1985 | US4527954 Pumping apparatus |
| 07/02/1985 | US4526513 Method and apparatus for control of pipeline compressors |
| 05/21/1985 | US4518318 Pumping sets |
| 04/09/1985 | US4510576 Specific coefficient of performance measuring device |
| 02/21/1984 | US4432230 Method and apparatus for calibrating pumps |
| 02/08/1984 | EP0100210A2 Coefficient of performance measuring device |
| 11/29/1983 | US4418391 Method of inspecting operation of driving system including a main machine and a plurality of auxiliary machines, and driving system incorporating inspection apparatus for carrying out the inspection method |
| 11/08/1983 | CA1156491A1 Test stand for testing hydraulic devices |
| 01/18/1983 | US4368638 Test stand for testing hydraulic devices |
| 03/09/1976 | US3942375 Method and means for testing hydraulic pump |