Patent application number | Description | Published |
20120042776 | Piston Guide Element - A piston pump, in particular a hydraulic piston pump, includes a piston movable in a piston housing and a piston guide element, arranged between the piston housing and the piston, for guiding and/or mounting the piston. The piston guide element is configured as a coating applied fixedly at least to an inner surface area of the piston housing or to an outer surface area of the piston. | 02-23-2012 |
20130199365 | Annular Seal Element - An annular seal element is configured to seal off a pressurized region filled with a fluid. The annular seal element has one end face which is pressed onto a contact surface of a piston. The end face is formed with a sealing contour in such a way that the sealing contour is elastically deformable on the contact surface by the pressure exerted. | 08-08-2013 |
20130209298 | VALVE, IN PARTICULAR OF A HYDRAULIC PISTON PUMP - In a valve, in particular of a hydraulic pixton pump, includes a valve seat, a valve closing element, and a positioning mechanism. A valve opening is formed in the valve seat. The valve seat also has a front side and a rear side. The valve closing element is arranged on the front side of the valve seat in order to open and close the valve opening as desired. The positioning mechanism is configured to hold the valve closing elementrelative to the valve seat. The positioning mechanism is arranged on the rear side of the valve seat and is connected to the valve closing element through the valve opening. | 08-15-2013 |
20130213499 | NON-RETURN VALVE FOR A FLUID PUMP - A non-return valve for a fluid pump, in particular of a safety brake system of a motor vehicle, includes a through-flow opening configured to be closed by a valve element. The valve element is configured to be displaced against the spring force of a valve spring made of coiled round wire to expose the through-flow opening. The round wire is coiled in one plane and is arranged with respect to the valve element such that the plane extends at least substantially perpendicularly to the displacement direction of the valve element. | 08-22-2013 |
20130224046 | DEVICE FOR THROTTLING A FLUID FLOW, AND CORRESPONDING PISTON PUMP FOR DELIVERING FLUIDS - A device for throttling a fluid flow includes a basic body which has at least one throttle point with a predefinable opening cross section. The basic body has a resilient configuration at least in a region of the at least one throttle point. Accordingly, the opening cross section of the at least one throttle point is configured to be set in a variable manner as a function of a pressure difference. | 08-29-2013 |
20130243629 | PUMP HAVING A PUMP CYLINDER - A pump, in particular for a vehicle brake system, includes a pump piston which is guided displaceably in a pump cylinder. The pump cylinder is produced by deep drawing. | 09-19-2013 |
20130287609 | ARRANGEMENT FOR THROTTLING A FLUID FLOW, AND CORRESPONDING PISTON PUMP FOR DELIVERING FLUIDS - An arrangement for throttling a fluid flow includes a throttle element arranged so as to influence a flow cross section in a fluid duct. The throttle element has a resiliently elastic disc-shaped basic body which is arranged with a top side and a bottom side between at least two supports in the fluid duct. The body is arranged in such a way that the flow cross section can be variably adjusted as a function of a pressure difference between the top side and the bottom side of the resiliently elastic disc-shaped basic body. At least one support bears against the top side of the resiliently elastic disc-shaped basic body, and at least one support bears against the bottom side of the resiliently elastic disc-shaped basic body. | 10-31-2013 |
20130302191 | PUMP AND METHOD FOR ITS MANUFACTURE - A method for manufacturing a pump, in particular for a vehicle brake system, includes forming a blind hole in a pump housing starting from a region in the pump housing in which an eccentric opening is provided to accommodate a drive eccentric. The method further includes inserting a pump cylinder into the blind hole from the region of the eccentric opening and securing the pump cylinder in the blind hole from the region of the eccentric opening. A pump is constructed from the method. | 11-14-2013 |
20130330221 | VALVE, IN PARTICULAR OUTLET VALVE OF A HYDRAULIC PISTON PUMP - In a valve, in particular an outlet valve of a hydraulic piston pump for delivering a fluid, includes a valve seat and a valve closing body. A valve orifice is formed in the valve seat, and the valve closing body is arranged on the valve seat. The valve closing body is configured to selectively open and close the valve orifice, and the valve closing body includes a sealing bead which forms a sealing fit with the valve seat when the valve orifice is in the closed state. | 12-12-2013 |
20140010696 | Axial Disc and Gear Pump with Axial Disc - An internal gear pump for a hydraulic vehicle brake system has axial discs which, by the exertion of pressure on the outer sides thereof, are pressed against gearwheels of the internal gear pump for lateral sealing, provided on the inner sides thereof with grooves through which the gearwheels convey brake fluid as they are driven in rotation, which brake fluid thereby passes, for lubrication, between the axial discs and the gearwheels of the internal gear pump. | 01-09-2014 |
20140030125 | SPRING ELEMENT AND CORRESPONDING PISTON PUMP FOR DELIVERING FLUIDS - A spring element includes a disc-shaped basic body, in which at least one spring bridge is inserted. The basic body has at least one dynamic throttle point to throttle a fluid flow. The basic body has a resilient configuration in a region of the at least one throttle point. Accordingly, an opening cross section of the at least one throttle point is configured to be set variably depending on a pressure difference. | 01-30-2014 |
20140030128 | PISTON PUMP HAVING A CYLINDER BARREL - A piston pump for delivering fluids includes a piston configured to be driven to perform a reciprocating stroke movement. The piston pump includes a cylinder barrel in which the piston is held in an axially displaceable manner. The piston pump also includes a displacement chamber which is arranged in the cylinder barrel between an inlet valve and an outlet valve. The outlet valve is arranged on a cylinder barrel base, and, on a side of the cylinder barrel base which faces away from the displacement chamber, an annular projection is formed. The annular projection is configured to surround an installation space for the outlet valve. | 01-30-2014 |
20140147314 | PISTON PUMP FOR DELIVERING FLUIDS, AND CORRESPONDING ASSEMBLY PROCESS FOR A PISTON PUMP - A piston pump for delivering fluids includes a cylinder, a piston that is movably mounted in the cylinder, and a pressure chamber that is arranged between an inlet valve and an outlet valve and that is closed off by a cover. The piston pump further includes a throttle element that is disposed in the fluid flow downstream of the outlet valve and that is configured to throttle the fluid flow. The throttle element is in the form of a resiliently elastic disk that is inserted into the cover. The cover further includes a mechanism configured to pre-center the throttle element. | 05-29-2014 |
20140147315 | Piston Pump for Delivering Fluids, and Associated Vehicle Brake System - A piston pump for delivering fluids comprises a piston, a cylinder element and a pressure chamber which is arranged between an inlet valve and an outlet valve and is closed by a cover, wherein means for throttling the fluid flow are provided in the fluid flow downstream of the outlet valve, and a vehicle brake system has a piston pump of this type. The throttle means comprises a movable annular disc which is guided on the cylinder element and the internal diameter of which is adapted to the external diameter of the cylinder element, wherein the axial travel of the annular disc sets a variable first throttle cross section. | 05-29-2014 |
20140147316 | Piston Pump for Delivering Fluids and Associated Vehicle Brake System - The disclosure relates to a pistol pump for delivering fluids comprising a piston, a cylinder element, and a pressure chamber arranged between an inlet valve and an outlet valve, The pressure chamber is closed off by a cover. The outlet valve comprises a closing body, a preload device which acts on the closing body, and a supporting mechanism configured to support the preload device. The outlet valve is arranged on the outer circumference of the cylinder element and adjusts a fluid flow conducted through at least one outflow opening between the cover and the cylinder element. The closing body is configured as a movable annular disk guided on the cylinder element, the inner diameter of which annular disk is matched to the outer diameter of the cylinder element. | 05-29-2014 |
20140196803 | VALVE SUBASSEMBLY - A valve subassembly for arrangement on a valve device is disclosed. The valve subassembly includes a valve closing body configured to be placed on and raised from an associated valve seat. The valve subassembly also includes a return element configured to reset the valve closing body against the valve seat and a valve cover configured to close an associated valve housing. The valve cover, the return element, and the valve closing body are connected to one another in a captive manner. | 07-17-2014 |
20140301876 | PISTON PUMP HAVING A HOLDER - A piston pump, in particular for a hydraulic assembly of an electronically controllable vehicle brake system, includes a cylinder element that has a pressure chamber with an outlet formed on the inside. The piston pump further includes an outlet-restricting element held on the outside of the cylinder element on a component by a first holder. | 10-09-2014 |
20150076379 | Throttle Disk of a Hydraulic Assembly of a Vehicle Brake System - In a throttle disk of a dynamic throttle of a hydraulic assembly of a vehicle brake system, with at least one disk surface which is formed by a rigid material, a layer of elastic material is at least partially formed on the disk surface. | 03-19-2015 |