Abstract:
Die Erfindung betrifft einen Gleitschuh sowie ein Verfahren zum Ausbilden von Unterteilungen an einer Gleitebene (22) eines Gleitschuhrohlings (47). Die Unterteilungen (25) werden auf den Gleitschuhrohling (47) aufgebracht, wobei zunächst eine Basisfläche (26) der Gleitebene (22) des Gleitschuhrohlings (47) vorgefertigt wird. Nach dem Zuführen eines aufzubringenden Materials (41) an die Basisfläche (26) erfolgt ein lokales Aufschmelzen des zugeführten Materials (41) mittels eines berührungsfreien Wärmeeintrags (35), wobei bestimmte Geometrien der Unterteilungen (25) durch Bewegen des Gleitschuhrohlings (47) und/oder eines Strahls (35) des Wärmeeintrags (34) relativ zueinander erzeugt werden. Abschliessend wird die Anlagefläche des aufgeschmolzen Materials (41) zum Erzeugen einer ebenen Anlagefläche der Gleitebene (22) geebnet.
Abstract:
The invention relates to an axial piston engine with a wobble plate (6) whose tilt can be adjusted and which is driven by a shaft. The axial piston engine further comprises reciprocating pistons (3) that are provided with an articulated arrangement with which the wobble plate slidingly engages, and with sliding blocks in the form of universal ball joints (5) that constitute said articulated arrangement.
Abstract:
Disclosed is a radial piston pump wherein the fluid to be compressed is drawn through the piston, which can be driven by an eccentric shaft. Piston inlet opening axis is displaced in relation to a centre plane of the drive shaft, parallel to the pistonaxis, so that one of the circumferential edges of the eccentric can be used to control the suction opening.
Abstract:
In order to produce a less expensive and more wear-resistant high-pressure cleaning apparatus with a wobble plate piston pump, it is proposed that the piston (5) be made of ceramic and carry a metallic contact element (10) in the region where it contacts the wobble plate.
Abstract:
The invention relates to a method for producing a ball-and socket joint (1) between a slipper (3) and a piston (2) of a piston engine, comprising the following steps: configuring the slipper (3) with a joint ball (4) at the end opposite the bottom surface (21); configuring the piston (2) with an overmeasure (x) on its lateral surface (2c) and a hemispherical joint recess (5) with a recess edge (7) that protrudes beyond the equator (6) of the joint recess (5), for the joint ball (4) at a front end of the piston (2); bringing together the joint recess (5) and the joint ball (4); beading the recess edge (7) into a form in which it grips the joint ball (4) from behind; and finishing the lateral surface (2c) of the piston (2). The following steps are also provided for the purpose of simplifying and improving the production process: bringing together the joint recess (5) and the joint ball (4) after finishing the lateral surface (2c) of the piston (2); locally heating the recess edge (7) to a temperature that reduces its hardness; and beading the recess edge (7).
Abstract:
Described is a piston for a hydrostatic axial-piston machine, the surface (12) of the piston body (15) having, at the front end (Y) where it joins the end face (11) of the piston and/or at the rear end (X) near the piston head, a chamfer (16; 18; 19; 21) with a continuously changing radius of curvature.
Abstract:
A pump configured so that tools are not required to remove the pump head (12) and disassemble the plunger (30). A single large hand operated knob or head nut (60) facilitates tool-less pump head removal. The pump head is guided into position in a manifold (54) and held in place by the hand knob. The manifold is designed to receive all the external fluidic connections made to the pump head. Fluid paths to the pump head have been replaced with miniature face seals (56) which facilitate high pressure sealing between the pump head and manifold. Low pressure tubing seals reside in a seal wash chamber (50) or housing and are not attached to the head, eliminating the need for tooling to disconnect them during pump head removal. A tool-less plunger mechanism includes a nutcap assembly having a plunger socket receiving a plunger assembly including a sapphire plunger fixed to a plunger holder ball accommodated by the socket. The plunger assembly is captured within the socket by a plurality of cams. The cams are spring loaded to rotate and collapse onto the plunger holder ball (32) pulling the plunger assembly tightly into the socket. A restricting cone is actuated to rotate the cams away from the plunger holder ball for release and removal of the plunger assembly.
Abstract:
Slip ring assemblies for controlling pitch of a wind driven blade such as those utilized in wind turbines can include a series of grooves disposed about an outer perimeter of a rotating portion, each one of the grooves comprising a first planar surface intersecting with a second planar surface at an angle of 75 to 105 degrees, and a concavely rounded bottom portion at the intersection of the first and planar surfaces. The rotating portion of the slip ring can be formed of a bronze material and may include a graphite coating. Also disclosed herein are wind turbine assemblies employing the slip ring assemblies.
Abstract:
The invention relates to a guide block and a method for embodying divisions on a slide plane (22) of a guide block blank (47). The divisions (25) are applied to the guide block blank (47), then a base surface (26) for the slide plane (22) on the guide block blank (47) is pre-prepared. After introduction of a material (41) for application to the base surface (26), a local fusion of the introduced material (41) is carried out, by means of a non-contact heat input (35). Particular forms for the divisions (25) are generated by means of moving the guide block blank (47) and/or a beam (35) of the heat input (34) relative to each other. Finally the support surfaces of the molten material (41) are levelled to generate a planar support surface for the slide plane (22).