KNORR-BREMSE SYSTEME FUR SCHIENENFAHRZEUGE GMBH Patent applications |
Patent application number | Title | Published |
20150369235 | AIR SUPPLY SYSTEM WITH ELECTRONIC CONVERTER - An air supply system having a compressor driven by a motor for producing compressed air, an air drier system for extracting moisture from the compressed air produced, an electronic converter for demand-dependent control of the compressor and analog and/or digital sensors for producing electrical signals, the electrical signals being useful for controlling the electronic converter and for monitoring and controlling the compressor. The electrical signals produced by the sensors are converted in the electronic converter to bus signals that can be provided for evaluation at a bus interface. | 12-24-2015 |
20150369232 | CRANK-DRIVEN ARRANGEMENT FOR A PISTON COMPRESSOR - A crank drive arrangement of a piston compressor with a rolling bearing arranged on a crank pin of a crank shaft and to which a connecting rod is attached via an intermediate ring which interacts with apparatus for securing against rotation in relation to the connecting rod, wherein the apparatus for securing against rotation have a pin arrangement fastened in a play-free manner in the connecting rod by a thread and which comes into engagement in an interlocking manner in the intermediate ring via a play-exhibiting fit. | 12-24-2015 |
20140312698 | UNIT HAVING A SWITCHING FUNCTION FOR ETHERNET - An arrangement for a switching function unit for Ethernet having a number of active components of the Ethernet which are combined by a switching function unit to form a functional unit; and at least three mutually independent power supplies for supplying power to the active components, wherein a first of the at least three power supplies is a local power supply for the switching function unit, a second of the at least three power supplies is a first extraneous power supply via Ethernet for the switching function unit, and a third of the at least three power supplies is a second extraneous power supply via Ethernet for the switching function unit. | 10-23-2014 |
20140303817 | BRAKING PROCESS FOR A RAIL VEHICLE - A control device for a brake system of a rail vehicle, the brake system having at least one first brake device and a second brake device, which devices can be actuated by an actuating force during a braking process. The first brake device and the second brake device are adhesion-type brake devices. The control device is capable of receiving and/or generating a loss of adhesion signal, which identifies insufficient adhesion for the first and/or second brake device, and is also designed, during a braking process, to actuate the first and/or second brake device with an increased actuating force if a loss of adhesion signal is present. Also disclosed is a brake system for a rail vehicle having a control device of this type, a corresponding rail vehicle and a method for controlling the brake system of a rail vehicle using a control device. | 10-09-2014 |
20140246282 | BRAKE SYSTEM HAVING AN ELECTROMAGNETIC TRACK BRAKE DEVICE - A brake control device for a brake system of a rail vehicle, wherein the brake control device is designed to control at least one electromagnetic track brake device of the brake system on the basis of rail condition data. Also disclosed is a corresponding brake system, a rail vehicle, and a corresponding method. | 09-04-2014 |
20140244080 | BRAKE CONTROL DEVICE FOR A BRAKING SYSTEM OF A RAIL VEHICLE, BRAKING SYSTEM, RAIL VEHICLE AND METHOD FOR CARRYING OUT A STATE ANALYSIS OF A RAIL VEHICLE - A brake control device for a braking system of a rail vehicle, wherein the brake control device is connected or connectible to a vibration-sensitive sensor device for receiving vibration data. The brake control device is designed to identify at least one periodic signal from the vibration data and to store vibration data-based comparative data, and to carry out a state analysis of the rail vehicle based on the comparative data and/or the at least one periodic signal. Also disclosed is a corresponding braking system, a rail vehicle and a method for carrying out a state analysis of the rail vehicle. | 08-28-2014 |
20140231169 | SOUND SUPPRESSOR DEVICE FOR AN AIR DRYING UNIT OF A COMPRESSED-AIR SUPPLY SYSTEM - A sound suppressor device for an air drying unit of a compressed-air supply system having a sound suppressor housing on which is arranged an inlet opening for the supply of condensate-laden compressed air to be discharged from the air drying unit and at least one outlet opening for the discharge of the condensate-laden compressed air to the outside, wherein the inlet opening issues into at least one pre-chamber of the sound suppressor housing, which pre-chamber issues into post-chambers which are connected in parallel and which are arranged around a heating rod arranged centrally in the sound suppressor housing. | 08-21-2014 |
20140222284 | METHOD FOR MONITORING A WHEEL OF A RAIL VEHICLE - A method for monitoring a wheel mounted on a bogie of a rail vehicle. The method includes detecting a deformation of a brake for braking the wheel in a wheel circumferential direction of the wheel and checking the plausibility of the detected deformation based on a comparison with a target alignment. | 08-07-2014 |
20140222258 | BRAKE CONTROL DEVICE FOR A BRAKE SYSTEM, BRAKE SYSTEM, RAIL VEHICLE AND METHOD FOR OPERATING A BRAKE SYSTEM - A brake control device for a brake system for a rail vehicle, the brake system having at least one adhesion-type friction brake device. The brake control device receives brake actuation data, which are assigned to the at least one adhesion-type friction brake device, from a brake actuation sensor device of the brake system. The brake control device receives brake action data, which are assigned to the at least one adhesion-type friction brake device, from a brake action sensor device of the brake system, and to cause the adhesion-type friction brake device to effect a braking process, and to monitor and assign brake actuation data and brake action data to each other during a braking process. Also disclosed is a brake system, a rail vehicle and a method for operating a brake system. | 08-07-2014 |
20140217810 | EMERGENCY BRAKE DEVICE FOR A RAIL VEHICLE, BRAKE SYSTEM FOR A RAIL VEHICLE, AND RAIL VEHICLE - An emergency brake device for a rail vehicle, having an emergency brake control valve device which provides an emergency brake control pressure to a pneumatic brake device of the rail vehicle; and having an emergency brake adjustment device which is capable of adjusting the emergency brake control pressure, which is provided to the pneumatic brake device, as a function of at least a load value of the rail vehicle and a speed value of the rail vehicle. Also disclosed is a brake system for a rail vehicle and to a rail vehicle. | 08-07-2014 |
20140190512 | BRAKE SYSTEM HAVING AN ELECTROMAGNETIC TRACK BRAKE DEVICE - A brake control device for a brake system, wherein the brake system has at least one electromagnetic track brake device, which can be supplied with current at variable amperage according to the brake control device to create a braking force, and wherein the brake control device is designed to actuate the at least one electromagnetic track brake device at a cleaning amperage during travel in order to clean a rail. Also disclosed is a brake system having such a brake control device, a rail vehicle, and a method for cleaning a rail by means of an electromagnetic track brake device. | 07-10-2014 |
20140145460 | RAIL WHEEL AND METHOD FOR PRODUCING A RAIL WHEEL - A rail wheel with a wheel body and friction discs connected thereto on both sides by fastening elements, wherein a multi-layer coating is arranged at least between the respective contact surfaces of the friction discs and the contact surfaces of the wheel body with a coating which can be subjected to mechanically and thermally high loading. Also disclosed is a method for producing a rail wheel. | 05-29-2014 |
20140131152 | WHEEL-MOUNTED BRAKE DISKS - Wheel-mounted brake disks which are arranged on both sides of a wheel base of a railway wheel and are fastened by through bolts, the bolt head of every through bolt lying in a countersink of one wheel-mounted brake disk and a nut screwed onto the through bolt lying in a countersink of the other wheel-mounted brake disk, each resting either directly or indirectly on the bottom of the countersink. The wheel-mounted brake disks are designed so that every countersink has an undercut portion that extends down to the bottom. | 05-15-2014 |
20130338860 | METHOD FOR CONTROLLING AN ANTISKID-REGULATED FRICTION BRAKE SYSTEM OF A RAIL VEHICLE - A method for controlling an emergency brake device of a rail vehicle or rail vehicle train consisting of several rail vehicles having axles braked by friction brakes, wherein an emergency braking operation is started by an emergency braking input, including identifying at least one axle having inadmissible brake slip during the emergency braking operation in which inadmissible brake slip occurs outside a predetermined optimal brake slip range; identifying at least one axle having no or admissible brake slip during the emergency braking operation by which axle a larger friction braking force can be transferred than by the at least one axle having inadmissible brake slip; and adjusting the friction braking forces on the at least one axle having no or admissible brake slip such that the adjustment can maintain a deviation of the actual deceleration of the rail vehicle from a target deceleration. | 12-19-2013 |
20130261924 | METHOD FOR CONTROLLING AN ANTISLIP-REGULATED FRICTION BRAKE SYSTEM OF A RAIL VEHICLE - A method for controlling an antislip-regulated friction brake system of a rail vehicle or rail vehicle train having a number of braked axles which subjects at least two selected axles to a braking pressure exceeding the braking pressure required for braking; measures at least one variable representing the maximum transmittable frictional force in each case between the wheels of the selected axles and the rail; prepares a list associating the selected axles with the respectively transmittable brake friction force; identifies at least one brake-slipping axle from the selected axles in which a brake slip exceeding a predetermined extent occurs; calculates lost braking work; identifies from the list at least one axle in which brake-slipping does not occur or occurs to a permissible extent; and applies the brakes on at least one axle. | 10-03-2013 |
20130140112 | BRAKE DEVICE COMPRISING A ROTOR OF AN EDDY CURRENT DISK BRAKE, THE ROTOR FORMING THE BRAKE DISK OF A FRICTION DISK BRAKE - A brake device of a vehicle, containing an eddy current disk brake having a rotationally fixed stator and a rotating rotor, wherein the rotor or the stator bears an eddy current path and the stator or the rotor bears a magnetic arrangement, the magnetic field lines of which induce eddy currents in the eddy current path for generating a braking torque upon a relative movement of the rotor with respect to the stator, and a friction disk brake having at least one brake disk and brake pads cooperating with the brake disk for generating a braking friction torque between the brake disk and the brake pads, wherein the rotor of the eddy current disk brake is formed by the brake disk of the friction disk brake. | 06-06-2013 |
20130125637 | MEASUREMENT DEVICE FOR CARRYING OUT A BRAKE TEST IN A RAIL VEHICLE - A mobile measurement device for carrying out a brake test in a rail vehicle, in particular having a pneumatic brake system on which are formed externally accessible measurement ports for pressure sensors whose electric measurement signal is processed by a mobile electronic measurement unit which is connected to the sensors locally thereto, which measurement unit is provided with an input for control and with a display for a user dialog and for displaying measurement results, wherein the input and the display for the electronic measurement unit are arranged in a portable control end unit, arranged separately from the electronic measurement unit, for remote control and for storable outputting of measurement results, wherein the electronic measurement unit and the control end unit communicate bidirectionally with one another via a respectively associated radio interface. | 05-23-2013 |
20130108497 | DEVICE FOR DAMPING SLOSHING OF OIL FOR A SCREW-TYPE COMPRESSOR | 05-02-2013 |
20130105258 | BRAKE LINING FOR A PARTIALLY LINED DISC BRAKE | 05-02-2013 |
20130068563 | OIL LEVEL INDICATOR FOR A SCREW-TYPE COMPRESSOR - A device for monitoring and/or indicating an oil level in an oil sump of a screw-type compressor, the oil level fluctuating in different operating states of the screw-type compressor. A device for monitoring and indicating the oil level in a screw-type compressor, the reliability thereof being improved over the prior art and erroneous measurements being excluded. The device is an optical unit which has no mechanically moving parts that can become damaged during the often rough use of the device. | 03-21-2013 |
20130068322 | CONTROL VALVE FOR AN OIL-INJECTED SCREW-TYPE COMPRESSOR - A control valve for an oil-injected screw-type compressor, in particular for installation in a vehicle, wherein oil located in a screw-type compressor housing can be supplied in a controlled manner via the control valve to a heat exchanger and/or to a bypass in such a way that cold oil is conducted through a bypass around the heat exchanger and warm oil is conducted through the heat exchanger. A control valve is provided for an oil-injected screw-type compressor and ensures rapid heating of the oil in the screw-type compressor even with a short activation time. The control valve has a control piston that is actuated by a control element and cooperates respectively with a heat exchanger opening disposed in a control valve housing and a bypass opening, and that the control piston controls at least one bypass opening which cooperates with the heat exchanger opening. | 03-21-2013 |
20130064694 | COMPRESSOR FLANGE FOR SCREW-TYPE COMPRESSOR - A compressor flange for connecting a screw-type compressor to a drive, wherein the compressor flange has a central opening for receiving a shaft and/or a bearing and a first annular bearing face for bearing on a housing of the compressor and a second annular bearing face for bearing on a housing of the drive. The compressor flange also has axially and/or radially effective seals for forming a seal with respect to the compressor housing and/or the shaft, with the result that an open compressor housing can be closed off and sealed by insertion of the compressor flange. The device relates to a screw-type compressor with such a compressor flange. | 03-14-2013 |
20120305343 | PLUNGER ROD ADJUSTER FOR COMPACT BRAKE CALIPER UNITS, HAVING AN ADJUSTING LEVER THAT ABUTS ON AN ELASTIC STOP - A disk brake of a rail vehicle, having a brake caliper, the caliper arms of which are coupled with one end to brake shoes and with the other end to a wear adjuster, the length of the wear adjuster is adjustable by a control mechanism depending on the stroke of a brake force motor. A control rod of the control mechanism acts upon an adjusting element of the wear adjuster, the adjusting element includes a freewheeling mechanism mounted in a housing of the wear adjuster and a stop section of the adjusting element loaded in a self-adjusting starting position against a stop of the housing by at least one return spring element. The stop contains at least one element that is elastic in the direction of abutment. | 12-06-2012 |
20120298892 | MULTI-STAGE SWITCHABLE PILOT-CONTROLLED VALVE ARRANGEMENT - A pilot-controlled valve arrangement having at least one valve mechanism mounted in a valve housing for multi-stage switching of a compressed air flow between a feed pressure connection and a working line connection wherein a throttled compressed air flow can be switched in at least one switching stage by a throttle, wherein the pneumatic pilot control has a first control piston mounted in a first control chamber implemented in the valve housing and having a coaxial recess for forming a second control chamber in which a second control piston is mounted, so that an additive control pressure application to the control chambers generates a telescope-like deployment of a ram extending from the second control piston for generating a multi-stage switching stroke for the valve mechanism, in order to implement the throttled compressed air flow in at least one switching stage of the valve mechanism present between the closed and the open valve setting. | 11-29-2012 |
20120281002 | VISUAL PRESENTATION SYSTEM - A method and system for displaying a 2D representation of a 3D world on an image plane of a simulator. The image plane defines a fixed viewing region of the replica environment of the simulator and also corresponds to a view observed by an operator of the simulator. The method includes the steps of determining a head position of the operator of the replica environment and modifying a viewing volume of the 3D world based on the head position of the operator while keeping the image plane constant to form a modified viewing volume. The 2D representation based on the modified viewing volume is then generated and displayed on the image plane. | 11-08-2012 |
20120209471 | METHOD AND DEVICE FOR MONITORING THE DRIVING BEHAVIOR OF A RAILWAY VEHICLE - A method for monitoring the driving behavior of a railway vehicle, wherein at least one measurement variable characterizing the vibrational behavior of at least one wheel set of the railway vehicle, is captured by at least one sensor providing a corresponding measurement signal. The method includes the steps of identifying at least one significant event or a combination of multiple significant events within the time trace of the measurement signal and identifying the event time at which the significant event took place, deriving the frequency from the time trace of the measurement signal starting from the event time, comparing the derived frequency to at least one stored reference frequency, evaluating the vibrational behavior of the wheel set as a function of the deviation of the derived frequency from the at least one stored reference frequency. | 08-16-2012 |
20120193484 | METHOD AND DEVICE FOR ESTIMATING THE TEMPERATURE OF AN AXLE BEARING OF A WHEELSET OF A RAIL VEHICLE - A method for estimating the temperature (T | 08-02-2012 |
20120043169 | PARKING BRAKE DEVICE OF A RAILWAY VEHICLE HAVING HIGH EFFICIENCY - A brake device of a railway vehicle, having at least one operating brake cylinder having at least one operating brake piston actuated by a pressurizing medium, the piston actuating an operating brake piston rod coaxial to the brake cylinder axis, and having a parking brake device having a pivotally supported actuating lever, the rotary motion thereof being transmitted to a shaft rotationally supported by at least one shaft bearing on a housing, wherein the rotary motion of the shaft induced by the actuating lever can be converted to a linear motion parallel to the brake cylinder axis of at least one support roller rotationally supported by a support roller bearing on a rotary axis disposed parallel to the shaft, in that at least one cam having an operating cam face and rotationally fixed to the shaft is provided, the cam interacting with a radially outer support roller surface of the support roller during a tightening or releasing stroke of the parking brake device, wherein the linear motion of the support roller is transferred to the operating brake piston rod. | 02-23-2012 |
20110273004 | BRAKE DEVICE ARRANGEMENT AND AUXILIARY DEVICE ARRANGEMENT OF A PNEUMATIC BRAKE SYSTEM OF A VEHICLE - A brake device arrangement and auxiliary device arrangement of a pneumatic brake system of a vehicle include a pneumatic control valve and other pneumatic components for carrying out braking functions or auxiliary braking functions of the braking system. In order to produce a modular construction, a brake control module, which is pre-mounted on a support for producing a braking pressure, is arranged adjacent to a filter module, for treating the air on the input side, and at least one auxiliary module for fulfilling the auxiliary braking functions. | 11-10-2011 |
20110266102 | PNEUMATIC BRAKE CYLINDER - The invention relates to a pneumatic brake cylinder including a piston for transferring the pneumatic pressure to a brake, and a device for automatic adjustment in the event of wear of the brake linings, the device comprising a spindle, an adjusting nut, and a control sleeve that can be engaged with the adjusting nut. According to the invention, the control sleeve is embodied as a composite part including a metallic coupling ring and a sliding sleeve of a plastic material. | 11-03-2011 |
20110226568 | PNEUMATIC BRAKE CYLINDER - The invention relates to a pneumatic brake cylinder including a piston for transferring the pneumatic pressure to a brake, a pressure chamber defined by the piston and part of the inner wall of the brake cylinder, and a sealing ring sealing a gap between the piston and the inner wall of the brake cylinder. According to the invention, the sealing ring is vulcanised onto the piston. | 09-22-2011 |
20110120820 | SHAFT BRAKE DISC, IN PARTICULAR FOR A RAIL VEHICLE - A shaft brake disc, in particular for a rail vehicle, including a friction ring fastened to a hub by way of screws that are passed through a clamp ring at the inner periphery of the friction ring that sits against support flanges, the clamp ring forming a backing support for the screws, is adapted so that the clamp ring and the hub engage one another in a form-fitted manner. | 05-26-2011 |
20110077815 | METHOD FOR MONITORING AT LEAST ONE SYSTEM PARAMETER WHICH INFLUENCES THE OPERATING BEHAVIOUR OF VEHICLES OR TRAINS OF VEHICLES - A method monitors at least one system parameter which influences an operating property of vehicles or trains of vehicles, using an adaptable theoretical model which generates a theoretical behavior of a vehicle or train of vehicles from operating data of the vehicle or train of vehicles. The method includes determination of a real behavior of a vehicle or train of vehicles from operating data such as acceleration and/or deceleration of the vehicle or of the train of vehicles, comparison of the real behavior of the vehicle or train of vehicles with the theoretical behavior of the vehicle or train of vehicles, and monitoring of the system parameter by the theoretical model if the theoretical behavior of the vehicle or train of vehicles corresponds to the real behavior of the vehicle or train of vehicles. | 03-31-2011 |
20100305788 | METHOD FOR ADAPTING AT LEAST ONE PARAMETER IN A CONTROLLED SYSTEM OF A VEHICLE - The invention relates to a method for adapting at least one parameter in a controlled system of a vehicle, wherein at least some of the possible positions of the vehicle within a road network that can be traveled by the vehicle are associated with at least one position-related boundary condition of the road network. The at least one parameter in the controlled system of the vehicle is adapted during travel as a function of the current position of the vehicle based on the position-related boundary conditions that are present there. | 12-02-2010 |
20100294601 | COMBINATION CYLINDER WITH PAWL-ACTUATED EMERGENCY RELEASE DEVICE FOR THE PARKING BRAKE - The invention relates to a combination cylinder including a service brake cylinder as an active service brake with at least one pressure-medium-actuated service brake piston which actuates a brake mechanism via a service brake piston rod, and a spring store brake cylinder as a passive parking brake with a spring store brake piston which is actuated by pressure medium counter to the action of at least one store spring, with the spring store brake piston transmitting the force of the at least one store spring to the service brake piston rod by a force-transmitting gearing in the parking braking situation. The invention provides for the gearing to be designed such that the movements of the spring store brake piston and of the service brake piston rod are coaxial and the force transmission ratio becomes greater with progressive stroke of the spring store brake piston. | 11-25-2010 |
20100283276 | RAIL WHEEL - A rail wheel with a wheel body and wheel brake discs connected thereto with fastening elements on both sides is designed in such a way that at least in the respective contact regions of the wheel brake discs a mechanically and thermally highly resilient intermediate layer is arranged on the wheel body. | 11-11-2010 |
20100116041 | DEVICE FOR ERROR MONITORING OF CHASSIS COMPONENTS OF RAIL VEHICLES - The invention relates to a device for the error monitoring of chassis components of rail vehicles, including at least one vibration sensor. According to one embodiment of the invention, at least one vibration sensor is arranged on a bogie frame or on a wheel set bearing of an axis of a bogie of the rail vehicle such that the detection direction thereof has a component in the moving direction (x-direction) or a component perpendicular to the moving direction (y-direction) and at the same time a component parallel to the vertical axis (z-direction) of the rail vehicle. | 05-13-2010 |
20100066282 | TRACTION DRIVE OF A RAIL VEHICLE FOR DRIVING AND GENERATIVE BRAKING WITH LOAD CORRECTION - The invention relates to a traction drive for the driving and generative braking of a rail vehicle or a combination of rail vehicles, at least one permanent-field synchronous motor and a traction current converter being associated with at least one axle of the rail vehicle or combination of rail vehicles. The traction current converter includes at least one pulse current converter on the engine side, and the clamps of the permanent-field synchronous motor are connected to a change-over switch such that the permanent-field synchronous motor can be connected to a load circuit forming a load, to drive the pulse current converter or for generative braking. According to the invention, the load circuit connected to the permanent-field synchronous motor for generative braking is designed and/or controlled in such a way that the characteristic values of the load circuit can be modified according to the loading of the rail vehicle or combination of rail vehicles. | 03-18-2010 |
20090252627 | Compressor Assembly Comprising a Valve Unit in the Intake Region - An air compressor assembly includes a compressor housing, an intake port defined by the compressor housing for intake of the air, and a plurality of guide contours disposed adjacent to the intake port. The guide contours include between three and six strips. A valve unit is disposed adjacent to the intake port, the valve unit comprising a closing element that assumes an opened position during operation and a closed position when in a switched-off state. The closing element is plate-shaped, is axially movable, and is guided by the plurality of guide contours between the opened position and the closed position. A stroke limitation element is provided to limit axial movement of the closing element in the opened position. A spring is disposed between the closing element and the stroke limitation element. The spring provides a return force to the closing element to bias the closing element into the closed position. | 10-08-2009 |
20090220359 | COMPRESSOR ASSEMBLY - A compressor assembly includes a support plate and a plurality of components mounted on the support plate via mechanical connections. The plurality of components includes at least a drive and a compressor for compressing air, the compressor being driven by the drive. The assembly also includes at least one line integrated into the support plate and selected ones of the mechanical connections. The line provides at least one of a fluidic connection and an electrical connection between at least two of the plurality of components. | 09-03-2009 |
20090151794 | Compressor Arrangement With Bypass Means for Preventing Freezing of the Cooling Unit - Compressor arrangement for generating compressed air by means of a motor-operator compressor unit, down stream of which at least one cooler unit is connected for cooling the generated compressed air, which enters the cooler unit via at least one inlet, flows there through a cooling structure, around which cooling air flows, from a plurality of cooling passages connected in parallel and leaves the cooler unit via at least one outlet, wherein a permanently open bypass pipe is provided between the region of the inlet and the region of the outlet, the inner cross section of which bypass pipe is matched to the delivery capacity of the compressor unit and to the pressure difference between inlet and outlet in such a way that the bypass pipe, at normal ambient temperatures, causes a higher flow resistance than the cooling structure, whereas, as freezing of the cooling structure progresses, the compressed air flows increasingly via the bypass pipe in order to maintain the generation of compressed air with minimum loss of cooling of and delivery capacity. | 06-18-2009 |
20090116975 | Screw Compressor Comprising a Relief Valve - A compressor arrangement includes a compressor housing, an intake region defined in the compressor housing, a control pressure connection in communication with the intake region, a control pressure chamber in communication with the control pressure connection, a control piston disposed in the compressor housing beneath the control pressure chamber, a guide element securing the control piston in the compressor housing, at least one sealing element disposed between the control piston and the guide element, and a feed pressure connection defined in the compressor housing to supply compressed air beneath the control piston. In a closed position, the control piston closes the feed pressure connection when in the closed position. In an opened position, the control piston opens the feed pressure connection when in the opened position, thereby permitting air to vent from the feed pressure connection via a venting connection. | 05-07-2009 |
20090041589 | Oil-Injected Compressor with a Temperature Switch - An oil-injected compressor, with an oil circuit for lubrication, and an oil separating device which is used to separate the oil from the compressed air. A self-resetting temperature switch, which is used to switch off the compressor unit when the maximum temperature limit of the incoming compressed air is reached, is provided in the region of the inlet of the compressed air, which contains oil, in the oil separating device. At least one non-self-resetting additional temperature switch is provided in the internal area of the oil separating device, which immediately switches off the compressor unit following a fire or an explosion of the compressed air, which contains oil, and which is contained in the oil separating device. | 02-12-2009 |
20080206085 | Oil-Injected Compressor with Means for Oil Temperature Regulation - The invention relates to an oil-injected compressor, in particular, an oil-injected mobile screw compressor with a motor-driven compressor unit, for the generation of compressed air cooperating with an oil circuit for lubrication, the oil tank of which is housed in a subsequent oil separator device for separating the oil from the compressed air. Means for oil temperature regulation are provided, comprising a cooler with a fan. The means for oil temperature regulation comprises a speed variable drive for the fan as adjuster, a regulator device for the speed of the fan matches the heat transferred to the ambient cooling air by the cooler. | 08-28-2008 |