| Document |
Document Title |
|
WO/2003/052276A1 |
A compressor unit intended for delivering a pressurised gaseous medium at a varying outlet flow volume to a consumer with varying load demands and comprises one or more rotors (K; 10, 11) forming one or more compressor stages and arrange...
|
|
WO/2003/044353A1 |
Disclosed is an engine surge avoidance system and method which adapts the acceleration schedules (i.e., P2.5 bleed valve and NDOT) to prevent engine surge events from occurring while minimizing reductions in engine response time. The sur...
|
|
WO/2003/040568A1 |
The invention concerns a vacuum pump (10) comprising a control device (20) for processing operational data and operational instructions, as well as a touch screen (40) for displaying operational data capable of being invoked from the con...
|
|
WO/2003/038283A2 |
The invention relates to a method and a device for keeping escape and rescue paths free of smoke, whilst taking into account permissible pressure differentials between adjacent corridors and stairwells, by means of a pressurization unit....
|
|
WO/2003/038282A1 |
The invention relates to a method for determining a pump limit warning (W) on a turbocompressor or a warning in case of blade failure. According to said method, at least two measuring signals (p¿1?, p¿2?,p~¿1?, p~¿2?), for example pr...
|
|
WO/2003/036096A1 |
The invention relates to a method for optimizing the operation of several compressor units in a natural gas compression station. After a second or other compressor unit is started, the speeds of the running compressor units are set accor...
|
|
WO/2003/028841A2 |
A control system is provided for load sharing between a plurality of compressors (8, 34). The control system determines the actual coefficients of export flow for the compressors (CEFactual1, CEFactual2), compares the actual coefficients...
|
|
WO/2003/021123A1 |
The invention relates to a device that compensates for disturbances in a rotating machine in order to eliminate unwanted vibrations caused by synchronous disturbances, such as those caused by unbalance for example. Said machine comprises...
|
|
WO/2003/016668A2 |
A cooling fan, in particular for motor vehicles is disclosed, comprising several individual fans (11, 12), each with an electric drive motor (13, 14) and a circuit arrangement with several switches (S1, S2, S3) which may be switched betw...
|
|
WO/2003/003545A1 |
A meter unit (45) is provided with a signal processing circuit (26) for processing the output signal from detecting sections (24, 25), and a rectifying circuit (30) of a DC low voltage power supply section (28) for driving the signal pro...
|
|
WO/2002/103209A1 |
The present invention is a device (100) for at least partially stabilizing an unstable fluid flow within a flow channel (103) by capturing at least a portion of the unstable fluid within a vaneless diffuser having a diffuser slot ( 104 )...
|
|
WO/2002/095237A1 |
A vaned diffuser for a centrifugal compressor has provision for selectively adjusting the pitch of the vanes in order to accommodate variable load conditions. Each of the vanes is rotatable about a pivot pin near its leading edge and is ...
|
|
WO/2002/092982A1 |
A method and a system is provided for reducing aircraft engine fuel consumption by selectively closing an aircraft surge bleed valve (SBV), when the surge bleed valve would normally be open. The method determines whether the engine bleed...
|
|
WO/2002/093015A1 |
The present invention concerns the safeguarding of an appliance equipped with a replaceable part, in particular against the use of a wrong or an inferior part. A code is supplied together with a part which is offered for sale for the app...
|
|
WO/2002/091560A1 |
The invention relates to a drive unit, particularly for a blower in motor vehicles. The drive unit comprises an electric motor (12), which operates on a d.c. mains (U¿Bat?), and comprises a device (13) for controlling the rotational spe...
|
|
WO/2002/077462A2 |
A turbomolecular pump (10) comprises a stator, a pump rotor, a motor (28) for driving the pump rotor and a control device (42). The control device (42) controls the motor output as to prevent the motor output from exceeding a permissible...
|
|
WO/2002/075155A1 |
The invention relates to a pressure generator for flowing media, wherein a condenser (V) is actuated by means of a speed controllable motor (M), the temperature in the condenser (V) is measured by means of at least one sensor (T) and the...
|
|
WO/2002/075156A1 |
The invention relates to a pressure generator for flowing media, in which a compressor (V) is driven by means of a motor whose speed can be controlled. The flow speed in the compressor (V) is measured using sensors and control signals fo...
|
|
WO/2002/057655A1 |
A toroidal continuously variable transmission, wherein a rolling element (4) having outer peripheral surfaces in contact through oil film with the opposed rolling surfaces of a pair of rotating members is disposed between the pair of rot...
|
|
WO/2002/051227A1 |
In a protection circuit for a plurality of fans, an element is associated with each fan. The impedance or the current value of the element indicates the operation condition of the fan. For example, the impedance or the current value may ...
|
|
WO/2002/040844A2 |
A turbogenerator system including a compressor rotationally coupled to a turbine and a bleed valve connected to the compressor discharge to vent a portion of the compressed air when the turbogenerator speed is within a preselected range ...
|
|
WO/2002/038963A1 |
A method and a device for actively controlling surge in a rotational compressor (1), the compressor being driven by an electric drive (2) and controlled by an active surge control system (7). The active surge control system (7). The acti...
|
|
WO/2002/025117A1 |
The invention concerns a high-pressure multi-stage centrifugal compressor containing at least two compressor elements (1, 4, 5) which are arranged in series as compressor stages, and at least two electric motors (3, 7) to drive these com...
|
|
WO/2002/023298A1 |
A method and configuration from maintaining a constant of air to a protective helmet (4) from a fan (3) in a battery powered fresh air unit. The fan (3) is a radial fan with a filter (5) positioned on the suction side of the fan and is o...
|
|
WO/2001/083960A1 |
An eddy current fan drive (9) cooling system is operable in a vehicle having a sheave (11) rotating at a speed related to an engine speed. A driving assembly of the cooling system is attached to the sheave (11). A plurality of poles (21)...
|
|
WO/2001/075305A1 |
A gas compression system (10) and method according to which product gas is introduced into and compressed in a compressor (12). A portion of the compressed gas is discharged to external equipment, and a portion of the gas is trapped in r...
|
|
WO/2001/071195A1 |
A fan operating system includes inlet vanes adjustable to vary the angle of introduction of air into the fan and a motor speed control able to correct operation of a speed in excess of the predetermined synchronous speed for the motor. F...
|
|
WO/2001/071194A1 |
A curved blower exhaust conduit (20), delivering an air stream carrying pulverized or granulated entrained solids to a substantially sealed cargo chamber (31) enclosure of fixed volume, is provided with a pressure relief vent (21) mounte...
|
|
WO/2001/066913A1 |
An air moving device in the form of an axial flow fan (10) is provided that is adapted for use in substantially enclosed high-density electrical systems, e.g. computers and the like. The fan includes an annular (29) wall extending about ...
|
|
WO/2001/051816A1 |
A method for calculating one of the characteristic curves of a centrifugal fluid machine, such as a Q-H characteristic curve, a Q-E characteristic curve, and a Q-NPSH characteristic curve by using a computer. By the method, a characteris...
|
|
WO/2001/051815A1 |
A device for selecting a centrifugal fluid machine can easily select a centrifugal fluid machine having a desired performance from multiple centrifugal fluid machines ranked according to priority. The device (1) comprises an input unit (...
|
|
WO/2001/050024A1 |
A method and system for optimizing the performance of a rotodynamic multi-phase flow booster, such as a wet gas compressor (1), utilizes a meter which measures the fluid density $g(r) upstream of the booster and controls the speed of rot...
|
|
WO/2001/049093A1 |
A fan speed control system (200) for an electronic equipment enclosure comprises means for determining temperature (201, 202, 203, 210, 211) at a plurality of locations within the enclosure, means for determining operating parameters (20...
|
|
WO/2001/034983A1 |
An axial fan (10) includes a hub (16) within a housing (13). A cavity (28) is formed between the hub (16) and housing (13). A plurality of blades (17) is on the hub (16), with an air separator ring (14) disposed operatively adjacent to t...
|
|
WO/2001/011748A1 |
The invention relates to a device for detecting a malfunction of a machine driven with a variable rotational speed by an electric motor, whereby the motor is switched off when a malfunction occurs. A regulating device which controls the ...
|
|
WO/2001/009517A1 |
A turbocharger for an internal combustion engine comprises an air intake, a compressor, a compressor housing (2), a plurality of bypass channels (1) formed in the compressor housing (2) providing a short cut to air from the air intake in...
|
|
WO/2001/009488A1 |
A system includes a gas turbine engine (30) having a shroud (130) and a rotor (120) with one or more blades (126, 127). The rotor rotates within the shroud to pressurize a fluid during operation of the engine. An electromagnetic actuator...
|
|
WO/2001/007791A1 |
A turbo fluid machinery comprising a primary dry gas seal (9) and a secondary dry gas seal (10), wherein a working gas leaking through clearances between rotating rings (7a, 7b) rotating together with a rotor (4) and fixed rings (8a, 8b)...
|
|
WO/2001/004496A1 |
A fan assembly (10) which incorporates variable pitched blades (152), is driven by the engine of a vehicle and is used in cooling the engine. A control system (248) is provided which is responsive to at least one signal representative of...
|
|
WO/2000/060428A1 |
The invention concerns a system for regulating pressure in a chamber (1) containing effluents, connected by pipes (2) to a pumping unit (3) comprising a self-lubricating mechanical primary pump (4) and at least a secondary pump (5). The ...
|
|
WO/2000/060276A1 |
The invention relates to a valve device (1), equipped with a narrowed section (8) which supplies a device with seal gas. In order to make the device independent of inlet pressure, the invention is characterised by a pressure reducer (6) ...
|
|
WO/2000/058628A1 |
A vacuum pump having a screw groove pump part capable of assuredly preventing a rotor cylindrical body from being abnormally close to or in contact with a stator cylindrical body, wherein an air gap sensor which detects an air gap formed...
|
|
WO/2000/050748A1 |
The invention relates to a combustion unit for combusting a liquid fuel, comprising a fuel inlet, an air inlet and a flue gas outlet which are connected to a combustion chamber for combusting the fuel, wherein the fuel inlet is connected...
|
|
WO/2000/046509A1 |
A structure and a method to form the structure are provided for an impeller bleed passage of a compressor for a gas turbine engine. The compressor (10) has an impeller assembly (16) which includes an impeller rotor rotatably supported wi...
|
|
WO2000020740B1 |
A gas turbine engine includes a compressor driven by a compression turbine, a combustor (116) receiving a part (A) of the compressed air, a compression turbine rotor disc (118), and a power turbine rotor disc (114). A minor part of the c...
|
|
WO/2000/045055A1 |
The aim of the invention is to improve the cooling of a self-ventilated electric motor (1). To this end an electromagnetic speed limiting and governing device is provided for between the motor shaft (3) and fan wheel (2). The fan wheel, ...
|
|
WO/2000/042366A1 |
An adaptive control apparatus and a method for automatically controlling a refrigeration system (100) as a function of cooling load and head. A control panel (140) controls the operation of a hot gas bypass valve (134) so as to avoid sur...
|
|
WO/2000/035701A1 |
A system for energy recovery in electric fans of car radiators, which comprises at least one power supply (B), which is connected to an electronic control device (CM), operated by a pilot electronic-box (CC) and coupled to an electric ma...
|
|
WO/2000/029751A1 |
A compressor (10) for a gas turbine engine, comprising a casing (26) having an inner surface defining a plurality of circumferentially spaced-apart grooves (36) adjacent the tips of a row of rotor blades (16). Each groove (36) has a dept...
|
|
WO/2000/022287A2 |
A gas turbine engine includes a compressor (12), a combustor (16) receiving with a part (A) of the compressed air, and a turbine rotor disk (14). A part (B) of the compressed air is bled from the compressor (12) and directly bypassed thr...
|
