Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 49 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups
Patents for F04B 49 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups (22,036)
12/2000
12/12/2000US6158462 Hydraulic pressure control device
12/11/2000CA2311099A1 Overload protector with control element
12/07/2000WO2000073667A1 Hydraulic drive with several hydraulic consumers also comprising a differential cylinder
12/07/2000WO2000073664A1 Pump capacity control device and valve device
12/07/2000WO2000073659A1 Apparatus for preventing vacuum compression of scroll compressor
12/05/2000US6155797 Variable displacement pump
12/05/2000US6155791 Wet/dry glycol pump automatic shut-down system
12/05/2000US6155790 Method and equipment for controlling a pipe network
11/2000
11/30/2000WO2000071899A1 Device and method for controlling construction machinery
11/30/2000DE19924473A1 Hydraulischer Antrieb mit mehreren auch einen Differentialzylinder umfassenden hydraulischen Verbrauchern, insbesondere an einer Kunststoffspritzgießmaschine Hydraulic drive with more comprehensive and a differential cylinder hydraulic consumers, particularly in a plastic injection molding
11/29/2000EP1055844A1 Continuous power dividing hydromechanical transmission for motor vehicles
11/29/2000EP1055071A1 Control device for a membrane pump
11/29/2000CN2408261Y Flow rate stepless adjustable electric reciprocating pump
11/29/2000CN1275257A Method for the starting and steady-state supply of a permanent-magnet synchronous motor particularly for driving hydraulic pump
11/28/2000US6154605 Control device for diaphragm pump
11/28/2000US6153951 Structure of linear compressor
11/28/2000US6152707 Portable water tank and booster
11/28/2000US6152702 Capacitive sensing apparatus for sensing a plurality of operating parameters associated with a variable displacement piston pump
11/28/2000US6152700 Hermetic compressor with remote temperature sensing means
11/23/2000WO2000070226A1 A reciprocating compressor with a linear motor
11/23/2000DE19840026C2 Pumpsystem zum Mischen von Flüssigkeiten Pump system for mixing liquids
11/22/2000EP1054158A2 By-pass valve for pressure-washing machines
11/22/2000CN2407161Y Discharging cylinder cap
11/22/2000CN1274409A Identification and communication system for inflatable devices
11/21/2000US6149814 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography
11/21/2000US6149403 Pump drive decoupler
11/21/2000US6149401 Variable discharge-amount compressor for refrigerant cycle
11/21/2000US6149400 Method and apparatus for a suction valve of the plate-type construction
11/21/2000US6149397 Pressure pulsations reducing compressor
11/21/2000US6149396 Apparatus for sequentially dispensing flowable materials
11/21/2000US6148909 Temperature control device and temperature control method
11/21/2000CA2032417C Scroll compressor with discharge valves
11/16/2000DE19900562C2 Common-Rail-System Common-rail system
11/15/2000EP1052406A2 Control valve for variable displacement compressor
11/15/2000EP1052405A2 Control valve for variable displacement compressor
11/15/2000EP1051571A2 Variable capacity compressor having adjustable crankpin throw structure
11/15/2000CN1273328A Output control equipment of linear compresor and method thereof
11/14/2000US6146115 Piston pump
11/14/2000US6146109 Infusion device with disposable elements
11/14/2000US6146101 Automatic control device for an air compressor
11/14/2000US6146100 Compressor unit and control device used thereby
11/14/2000US6145332 Apparatus for protecting pumps against cavitation
11/14/2000US6145308 Air turbine with power controller having operation independent of temperature
11/14/2000US6145296 Gas turbine engine having counter rotating turbines and a controller for controlling the load driven by one of the turbines
11/14/2000CA2021873C Three-way valve
11/09/2000WO2000066952A1 Method of starting freezer and compressor
11/09/2000WO2000066892A1 Pump-off control for pumping jack
11/09/2000DE19921260A1 Regulating device, particularly of load sensing type, is for hydraulic pump adjustable in delivery volume and connects to delivery volume positioning member of pump for regulating between maximum and minimum delivery volumes
11/08/2000CN2405037Y Automatic control, energy saving means for oil-pumping installation
11/07/2000US6142752 Centrifugal fluid pump assembly
11/07/2000US6142747 Fuel pump assembly
11/07/2000US6142745 Piston type variable displacement compressor
11/07/2000US6142741 Hermetic electric compressor with improved temperature responsive motor control
11/07/2000US6142740 Compression system having means for sequencing operation of compressors
11/02/2000WO2000065237A2 Gas pressurized liquid pump with intermediate chamber
11/02/2000EP1048847A2 Capacity controller of a variable displacement compressor
11/02/2000EP1047897A1 Controllable leaf valve
11/02/2000DE19958249A1 High pressure fuel pump assembly for diesel motors has a simplified structure for the high pressure pump and high pressure control through the use of a standard pump body or valve housing
11/02/2000DE19918930A1 Power controller for linear compressor has microcomputer for deriving demand stroke from computed stroke, drive unit for outputting corresp. voltage drive signal to voltage regulator
11/02/2000DE19917904A1 Verfahren und Vorrichtung zur Steuerung einer Pumpe eines Bremssystems Method and apparatus for controlling a pump of a brake system
11/01/2000CN2403918Y 水压控制器 Pressure Controller
11/01/2000CN1272171A Adaptive control for refrigeration system using pulse width modulated duty cycle scroll compressor
10/2000
10/31/2000US6139487 Intracardiac pump device
10/31/2000US6139285 Hydraulic pump for power steering system
10/31/2000US6139281 Sump pump alarm system utilizing a doorbell chime
10/31/2000US6139280 Electric switch gauge for screw compressors
10/31/2000US6138468 Method and apparatus for controlling variable displacement compressor
10/26/2000WO2000063551A1 Variable delivery pump and common rail fuel system using the same
10/26/2000WO2000062897A1 Filter monitor
10/26/2000DE10013098A1 Pressurised air generation plant has compressor with constant revs and compressor with variable revs used in parallel for matching compressed air requirement
10/26/2000CA2370282A1 Filter monitor
10/25/2000EP1046818A2 Capacity controller of a compressor with variable capacity
10/25/2000EP1045975A1 Control unit for controlling the build-up of pressure in a pump unit
10/25/2000CN2402830Y Pumping unit remote-controlling device
10/25/2000CN1271406A Two stage reciprocating compressors and asosciated HVAC systems and methods
10/24/2000US6135919 Oil pump controller for automatic transmission
10/24/2000US6135724 Method and apparatus for metering multiple injection pump flow
10/24/2000US6135722 Positional relationship of a bearing in the shutoff member of a variable displacement compressor
10/24/2000US6135720 Air compressors of sliding vane eccentric rotor type
10/24/2000US6135577 Pump operation control apparatus for hydraulic brake boosting system
10/24/2000US6135144 Pressure relief valve assembly
10/24/2000CA2181850C Cylinder assembly for a reciprocating compressor
10/19/2000WO2000061945A1 Method and arrangement for pumping material
10/19/2000WO2000061437A1 Volumetric vacuum control
10/19/2000DE19916471C1 Pumped delivery method for providing preselected quantity compares delivered quantity during operation of pump with difference between preselected quantity and residual quantity delivered after pump is switched off
10/19/2000DE10017091A1 Motor-powered compressor e.g. for vehicle air conditioning unit, has compression stage, motor, driver circuit for controlling motor drive, and driver circuit contained in stage of compressor on coolant suction side
10/18/2000EP0832001B1 Motor vehicle air conditioning control system
10/17/2000US6132188 Dosing pump with magnetic control
10/17/2000US6132179 Scroll type compressor enabling a soft start with a simple structure
10/17/2000US6132177 Two stage reciprocating compressors and associated HVAC systems and methods
10/17/2000US6132012 Abnormal condition detecting apparatus and safety apparatus for hydraulic brake boosting system
10/17/2000US6131549 High pressure fuel pumping apparatus
10/17/2000US6131391 Control system for controlling the speed of a hydraulic motor
10/12/2000WO2000060428A1 System for regulating pressure in a vacuum chamber, vacuum pumping unit equipped with same
10/12/2000WO2000060239A2 Load sharing valve and system for operating centrifugal pumps in parallel
10/12/2000WO2000059762A1 Breaking system and method for controlling and/or monitoring a pump of a breaking system
10/11/2000EP1043645A1 Pressure control system for a vacuum chamber, vacuum pumping unit provided with such a system
10/11/2000EP1042608A1 Fuel supply system of an internal combustion engine
10/10/2000US6129699 Portable persistaltic pump for peritoneal dialysis
10/10/2000US6129525 Speed control for fluid powered diaphragm pumps
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