175results about "Textile treatment" patented technology

A laundry dryer includes a dry drum in which laundry is loaded, a lower housing coupled to a rear wall of the dry drum by a rivet, an upper housing seated on the upper housing, and a journal bearing including a bearing inserted between the upper and lower housings and a shaft coupled to the bearing.

A method and a device with a control apparatus (50) for starting an electric machine (10) with a rotor (20), particularly the spinning cup of an open-end spinning machine, magnetically mounted by a bearing having permanent magnets (31, 32, 33, 34). An actuator system controls the position in the axial direction (35, 36) and two limitation bearings (41, 42), determine the axial end positions of the rotor. The actuator system brings about a lifting from the first axial end position, and a system variable during such lifting is compared with a reference value, and the rotor (20) is moved into the second end position, and the actuator system brings about a lifting from the second axial end position, and a system variable on lifting from the second end position is compared with a reference value.

A damper assembly and washing machine using the same, by which a damper pin configured to facilitate assembly is provided and by which a damper pin is configured to avoid breaking, are disclosed. The damper assembly includes a base having a first connecting portion, a damper having a second connecting portion at one end and attenuating a vibration transferred to the base, and a damper pin penetrating the first and second connecting portions to secure them, the damper pin having a slip-fit connection with the first and second connecting portions.

An expander roller includes a tubular roller sleeve 2 adjustable in its curvature that is formed of one-piece tubes made of reinforced plastic/composite material, and that is mounted on a non-rotatable central area by means of bearings 13. The central area is a deformable axis. The outer surfaces of the bearings 13 rest against the inner wall of the roller sleeve 2 or of one of the outer ring shell bushings 3 resting against its inner wall. The inner surfaces of the bearings 13 rest on the upper surface of the deformable axis 1 or of a ring shell bushing 4 firmly surrounding it.

A bearing assembly is for a washing machine, the washing machine including a tub and a drum rotatable about a central axis. The bearing assembly comprises two bearings spaced axially apart along the central axis, a spacer disposed generally between the two bearings, and a polymeric housing. The housing includes a box-type frame molded to the bearings and to the spacer and configured to provide stiffness to the bearing assembly.

A bearing housing includes a bearing housing body, and a shaft support part formed at the center of the bearing housing body, wherein the shaft support part includes at least one rib groove to fix a bearing bush located on the inner circumferential surface of a front end of the shaft support part. The manufacturing method of the bearing housing uses a first mold and a second mold to form an external appearance of the bearing housing and a central core to form a shaft support part of the bearing housing, and includes inserting a bearing bush onto the outer circumferential surface of the central core, and fixing the bearing bush inserted onto the outer circumferential surface of the central core by at least one bush fixing rib formed on one of the first mold and the second mold.

The present invention relates to an impression roller which is used for a filament conveying device. The impression roller comprises a shaft and a shaft housing which is rotatably kept on the shaft. Hereon, the shaft housing is connected with a bearing outer ring of a rolling bearing through a mode without relative rotation. The rolling bearing is elastically supported on the shaft through an inner ring and an elastic gasket. According to the invention, for axial stability, the inner ring of the rolling bearing is provided with an annular supporting trough for accommodating the gasket, wherein the gasket is sandwiched between the supporting trough and the shaft.

A bearing arrangement (100) for a spinning rotor shaft (200) of an open-end spinning device, a spinning rotor shaft (200) for such a bearing arrangement (100) and a spinning rotor drive device comprising such a bearing arrangement (100) and such a spinning rotor shaft (200). The bearing arrangement (100) comprises at least one active magnetic radial bearing (110) for the spinning rotor shaft (200) which can be influenced by means of an electronic control system (300). The bearing arrangement is characterized in that the bearing arrangement (100) comprises an active magnetic axial bearing (130) for the spinning rotor shaft (200) which can be influenced by means of the or another electronic control system (300).

Bearing-holder support (21) for rotating elements, the bearing-holder support (21) being suitable forbeing engaged by a shaft (11), and being provided with two rolling contact bearings (23a) (23b), and atubular plastic tube (22) which extends along a longitudinal axis A of the motor shaft and presents two inner annular housings (25a)(25b) for housing the two bearings (23a) (23b); the plastic tube (22) being made up of two modular semitubes (22a) (22b), each of which presents a relative annular housing (25a) (25b) which is obtained by co-moulding of the modular portion itself with a relative bearing (23a) (23b) in order to axially block the bearing (23a) (23b) itself inside the annular housing (25a) (25b) itself.

A drying machine in which a rotary drum is stably supported is disclosed. The drying machine includes a cabinet; a drum rotatably installed in the cabinet for containing laundry to be dried; a first housing connected to the drum; a second housing connected to the first housing; first and second bearings respectively provided in the first and second housings; and a shaft supported by the first and second bearings, and rotatably connected to the drum.

Co-moldable hose (1) with washing machine tubs presenting a longitudinal axis (A) and provided with two bearings (C3, C4) which are arranged along the axis (A) at a determined distance from one another, and with a tubular metallic body (2) which extends along the axis (A) and which is in turn provided, for each bearing (C3, C4), with a housing (3, 4) for each relative bearing (C3, C4) which is delimited towards the axis (A) by a respective inner radial surface (53a, 54a); two covering and blocking bodies (83, 84) also being co-molded with the bearings (C3, C4) and with the tubular body (2) inside each housing (3, 4) in a position which is radially intermediate between a relative radial surface (53a, 54a) and a relative bearing (C3, C4) in order to internally cover the housing (3, 4) itself and to block the relative bearing (C3, C4) inside the relative housing (3, 4).

The invention relates to a driven galette which can be heated inductively and to a method for operating a galette which can be heated inductively. In order to save installation space for the galette, both heating coils for heating and stator coils for driving the galette are provided within the galette cover on a common holding device, wherein the stator coils are arranged within the heating region. Here, a plurality of coils or the windings of the coils can be arranged in an alternating manner. There is likewise provision for the same coils to be provided for heating and electric-motor drive.

An annular element (10) for a rolling bearing comprises a cylindrical surface (11) around the circumference of which a groove (13), the radial and axial depth of which are variable around the circumference, is formed. The cylindrical surface is suitable for being over-moulded with a plastics material to form a body (P) which is fixed firmly for rotation with the annular element (10) and has a plastics projection (F) complementary with the groove (13). The projection (F) can cooperate with the groove to prevent relative rotation between the annular element (10) and the body (P).

The invention relates to a method for detecting changes of position of a shaftless spinning rotor (1) of an open-end spinning machine in a cavity of an active magnetic bearing, in which the position of the spinning rotor (1) is detected by a system of sensors (A, B) and on basis of the detected changes in the position of the spinning rotor (1) is adjusted controlling of the active magnetic bearing in order to eliminate undesirable changes in the position of the spinning rotor (1) in the cavity of the active magnetic bearing. Continuously is detected radial shifting of the spinning rotor (1) and simultaneously is continuously detected inclination of the spinning rotor (1), whereupon according to the detected changes in the position of the spinning rotor (1) is determined shifting and/or inclination of the spinning rotor (1) which is used for subsequent adjustment of the controlling of position of the spinning rotor (1) in the active magnetic bearing. The invention also relates to a spinning unit of an open-end spinning machine with an active magnetic bearing for bearing a shaftless spinning rotor (1) which comprises means for creating and controlling of a magnetic field, in which the spinning rotor (1) is arranged, whereby the bearing further comprises sensors (A, B) of the position of the spinning rotor (1), the sensors (A, B) are coupled with detectors (D) of their output signals and are coupled with evaluation circuits and the evaluation circuits is connected to the control system of the active magnetic bearing. The sensors (A, B) of the position of the spinning rotor (1) are grouped into pairs, whereby two pairs of sensors (A, A1, A2) for detecting of radial shifting of the spinning rotor (1) are arranged on the opposite sides of the spinning rotor (1) against the cylindrical wall (10) of the spinning rotor (1) and at the same time two pairs of sensors (B, B1, B2) for detecting of inclination of the spinning rotor (1) are arranged on the opposite sides of the spinning rotor (1) against the wall (11) of the spinning rotor (1), which is perpendicular to the rotation axis (OA) of the spinning rotor (1).

The invention relates to a rotor drive (18) of an open-ended spinning apparatus (1) which has a bearing arrangement (5) for the support of a spinning rotor (3) which rotates at high frequency and is mounted without contact. A rotor shaft (4) of the spinning rotor (3), formed as a runner, is held during the spinning process freely hovering between a front and back bearing (6, 7) of the rotor drive (18). For the conductive discharge of the electrostatic charge occurring during the spinning process,the spinning rotor (3) is distanced from one of the bearings (6, 7) in such a way that when a specified electrostatic charge is reached, a voltage sparkover between the spinning rotor (3) and the bearing (6, 7) occurs, and in such a way that the rotor drive (18) is surrounded by a rotor drive housing (37) which is electrically conductive and grounded and to which the bearing (6, 7) serving for the conductive discharge is conductively connected.

A drum type washing machine capable of preventing/reducing damage to a damper fixing unit provided on a bottom plate for securing a damper at a fixed position by a reinforced rigidity of the damper fixing unit. The drum type washing machine includes a water tub installed in a body, at least one damper to support the water tub, and a damper fixing unit provided on the bottom plate of the body to secure the damper at a fixed position. The damper fixing unit is formed via cutting of the bottom plate and has a reinforced rigidity by a reinforcing portion formed around each cut portion of the bottom plate.

A magnetic bearing for the mounting of a shaft (7), in particular for a spinning rotor of an open-end spinning device, features several pole shanks (2) of a stator (1) for the active radial magnetic mounting of the shaft (7) in two degrees of freedom, which in each case are surrounded by a coil (6) and are radially arranged to each other, whereas the pole shanks (2) are arranged at each other in such a manner that they release an opening (4) for the shaft (7). In the area of the opening (4), and on the side of the coils (6) turned away from the opening (4), the pole shanks (2) are connected to each other. In particular, for the passive axial mounting of the shaft (7), at least one permanent magnet (10) is arranged between the coils (6) and the opening (4); this is in operative connection with the pole shanks (2). A shaft (7) for mounting with at least one corresponding magnetic bearing is a composite component, which at least partially consists of non ferromagnetic material. In the area of the radial and (if applicable) axial mounting, a component made of a ferromagnetic material is arranged. A shaft mounting, in particular for a rotatable shaft of a spinning rotor in an open-end spinning device, features, for the passive axial mounting of one degree of freedom of the shaft (7) and for the active radial mounting of two degrees of freedom of the shaft (7), at least one, preferably two, corresponding magnetic bearings.

To provide the rotary shaft support device of a sewing machine, on which a bearing is easily mounted and whose cost is suppressed. In the rotary shaft support device of the sewing machine comprising a frame provided with a housing hole, the bearing supporting a rotary shaft by an inner race and inserted and fitted to the housing hole, and a fixture for fixing the outer race of the bearing to the housing hole of the frame, by projectingly providing the outer race of the bearing from the housing hole of the frame and pressurizing the fixture to the projectingly provided part of the outer race and the periphery of the housing hole, the outer race of the bearing is fixed to the housing hole of the frame.