30results about How to "Small gap width" patented technology

The invention relates to a centrifugal compressor (1) for an exhaust gas turbocharger, in particular an internal combustion engine. The centrifugal compressor has a compressor housing (2) comprising an axial inlet channel (3) and a centrifugal outlet channel (4); with a compressor impeller (6) for circulating and compressing a gas, wherein the compressor impeller (6) has an axial inlet side (7) facing towards an inlet passage (3), a centrifugal outlet side (8) facing an outlet channel (4), and an axial wheel surface contour (9) extending from the inlet side (7) extends up to the outlet side (8); a substantially sleeve-like adapter element (10) which may be axially inserted into an attachment portion (11) disposed at the compressor housing (2); wherein the adapter element (10) comprises, at least in sections, a surface contour (13) which is attached to the axial wheel surface contour (9), such that a gap width (W) between the adapter element (10) and the compressor impeller (6) can be adjusted along mutually facing surface contours (9, 13) through axial movement of the adapter member (10) in a fastening portion (11).

The invention discloses a stable charging terminal base and a dust collector. The stable charging terminal base comprises a charging terminal base, which has a plug and a connection portion which arein vertical connection mutually; a hanger cover plate, which has a hole for allowing the plug to pass; and a hanger base, which has a hook contacting and limiting the connection portion, wherein the hanger cover plate and the hanger base are matched up and down; the charging terminal base is arranged between the hanger cover plate and the hanger base; and the hook limits translational degree of freedom of the charging terminal base to the hanger cover plate. The hook has a vertical arm vertically protruding out of the hanger base and a horizontal hook vertically connected with the top end of the vertical arm, wherein the height of the vertical arm is equal to the vertical thickness of the connection portion, and the side end of the horizontal hook has a limit edge matched with the side profile of the plug. The hanger base limits the degree of freedom of vertical movement of the charging terminal base, thereby preventing the case that when the charging terminal base is under force, thehanger cover plate is pulled out.

The invention relates to a device for separating tobacco from a tobacco block, basically comprising a body frame arranged with separating means rotatable about an axis of rotation and having at least one separating element, movable grinding elements for grinding each separating element and a common relative support for the or each separating element. In addition, the invention relates to a method for separating tobacco from a tobacco block, the method comprising the steps of: transporting the tobacco block in a conveying direction towards a separating device having at least one separating element, separating the tobacco block from the tobacco block by each separating element Tobacco is fed to each separating element opposite to the conveying direction towards the opposite support and is ground by the grinding element.

The invention discloses an ultra-narrow gap welding device and method for pipe fitting welding, and relates to the technical field of welding. The ultra-narrow gap welding device for pipe fitting welding comprises a welding mechanism, a rotating mechanism and a positioning mechanism; and the welding mechanism rotates around the positioning mechanism through the rotating mechanism, the positioningmechanism is arranged inside a to-be-welded pipe fitting, and the rotating mechanism is rotationally connected with the positioning mechanism. Transverse welding can be carried out in a groove with the small gap width, due to the fact that the groove width is small, the welding line energy is low, the heat input amount in the welding process is low, growth of a molten pool is effectively inhibited, collapse of the molten pool is prevented, the collapse defect of the molten pool can be effectively overcome, and the welding production efficiency can be improved; and the device is convenient to operate and moves easily, and the problem that large equipment is difficult to operate and high in operation technical requirement in field welding is solved.

A drive unit for a hair cutting machine comprises a driving motor that includes a substantially U-shaped stator which has a first leg, a second leg, and at least one additional leg located between the first leg and the second leg, at least one field coil which can be disposed on the at least one additional leg, and an armature. Lateral air gap sections are formed between the first and second leg and the armature while central air gap sections are formed between the additional leg and the armature. The central air gap sections and the lateral air gap sections extend at an angle from a longitudinal axis. A first nose, which faces away from the additional leg, is arranged at the end of the first leg, while a notch, which faces the additional leg and corresponds to the first nose, is arranged on the second leg.

The invention provides a display panel, a manufacturing method thereof and electronic equipment. The manufacturing method comprises the steps of providing a driving backboard, wherein the driving backboard is provided with a plurality of discrete array electrodes; forming a spacing part on the driving backboard, a plurality of openings penetrating through the spacing part are formed in the spacingpart, and the array electrodes are exposed out of the openings; providing a plurality of light-emitting chips, wherein each light-emitting chip comprises a lower electrode and a functional layer located on the lower electrode; fixing a light-emitting chips on the array electrodes, wherein the array electrodes are electrically connected with the lower electrodes; and forming a common electrode layer, wherein the common electrode layer covers the top surfaces of the plurality of light-emitting chips and the top surface of the spacing part and is electrically connected with the functional layer.According to the invention, the common electrode layer with the whole continuous complete film layer can be formed, so that the quality of the display panel is improved.

A crane with a boom, on which running tracks for cable carriers are disposed, having two running tracks for the cable carriers, which engage into one another with a positive lock. One running track is connected with the crane or the boom, and the other running track is displaceable on the crane or the boom.

A MEMS switch that includes a substrate with a first insulating layer and a silicon layer thereabove, a fixed portion and a movable switching portion being formed in the silicon layer.

A first metal layer is situated in recesses in the silicon layer at a side of the silicon layer facing away from the substrate, the first metal layer forming at least one switchable electrical contact between the fixed portion and the switching portion.

A method for manufacturing a MEMS switch including at least one embedded metal contact is also described.

The invention relates to a dividing element (1), by means of which the interior of a basket, particularly a shopping trolley basket, can be subdivided, comprising a plurality of connecting elements for fastening the dividing element (1) to the sides of the basket, wherein a first section (11) of a first connecting element (16) for fastening the dividing element (1) to one side of the basket is designed to be at least substantially U-shaped, and wherein one leg (11a, 11b) of the at least substantially U-shaped first section (11) adjoins a second section (17) of the first connecting element (16), which second section is retained in a first guide formed in the dividing element (1) by friction locking and/or by interlocking.

A rolling-element bearing for bearing rotating components in vacuum devices comprises a plurality of rolling elements (10) arranged between bearing elements (12, 14). A bearing compartment (26) is for example closed by sealing elements (22, 24) on both sides. Said sealing elements (22, 24) have a minor sealing gap (s). The rolling-elements bearing according to the invention are used in vacuum sections in which a pressure of less than 10-3 mbar prevails.

A counterholder (10) for supporting at least a first of two boundary surfaces (12a, 14a), between which a medium (15) is arranged, via which a first compressive force acting on the first boundary surface (12a) and a second compressive force (F2) acting on the second boundary surface (14a) and directed counter to the first compressive force (F1) are exerted, at least temporarily. The counterholder(10) has a shell of elastically deformable design (16) at least in one contact area for positioning at a boundary element (12), which provides the first boundary surface (12a) on a contact side opposite the first boundary surface, and within which, a non-Newtonian, shear-thickening fluid (18) is arranged.

A double-flow centrifugal pump is disclosed, in which, using an impeller, a fluid can be suctioned from two axial sides from a negative pressure area and can be delivered in the radial direction into a positive pressure area. The negative pressure area is sealed off with respect to the positive pressure area by at least one stationary pump component, for example the pump housing and/or an insert part. According to the invention, sealing gaps are formed as axial gaps arranged axially between the impeller and the pump component and extending in the circumferential direction and in the radial direction, wherein the gap width(s) of said axial gaps is less than the radial spacing (a) of the impeller from all the components arranged with a radial spacing from the impeller.

The invention discloses a permanent magnet motor stator, which comprises a stator iron core, windings wound on tooth parts on the inner side of the stator iron core, and a wiring structure used for connecting winding outgoing lines with power lines, wherein the wiring structure comprises an upper insulating frame fixed at the top of the stator core, a wiring disc fixed on the upper insulating frame and provided with a central hole, and wiring terminals distributed on the wiring disc and used for being welded with winding outgoing lines one by one. The motor stator is characterized in that winding outgoing lines of the stator core are bent towards the surface of the patch board and then are welded and fixed with the wiring terminals arranged on the inner circumference of the patch board one by one. According to the wiring structure of the stator, the winding outgoing line and the wiring terminal are easier to weld, so that the whole stator is easier to manufacture, the production cost is lower, and the production efficiency is higher.

The invention proposes a bearing arrangement having a first bearing ring and a second bearing ring, which is mounted for rotation in relation to the first bearing ring, wherein a plurality of hydrostatically supported sliding-bearing segments are arranged on the first bearing ring, wherein each sliding-bearing segment interacts with a first sliding surface arranged on the second bearing ring, wherein each sliding-bearing segment has a first sub-element and a second sub-element, wherein the first sub-element is accommodated in an accommodating pocket of the first bearing ring such that a firstpressure space is formed between the first bearing ring and the first sub-element, wherein the first sub-element and the second sub-element are designed such that a second pressure space is formed between the first sub-element and the second sub-element, wherein the second sub-element and the second bearing ring are designed such that a third pressure space is formed between the second sub-elementand the second bearing ring, wherein a first surface of the first sub-element interacts with a second surface of the second sub-element, wherein the first surface is curved convexly or concavely andthe second surface is formed in a manner which complements the first surface.

The invention relates to an EIGA coil (10) for partial melting an electrode (40). The EIGA coil (10) comprises a plurality of windings (12A, 12B, 12C) which are coaxially arranged with respect to a center axis (M) and axially spaced from each other, wherein each of the plurality of windings (12A, 12B, 12C) is formed in the shape of a ring interrupted by a gap (14A, 14B, 14C) and equidistant with respect to the center axis (M) and extending in a plane perpendicular to the center axis (M). Adjacent windings (12A, 12B; 12B, 12C) of the plurality of windings (12A, 12B, 12C) are respectively connected to each other via a connecting portion (20AB, 20BC; 120AB, 120BC).