169 results about "Sectional plane" patented technology

The invention relates to a recirculator (30) for a nut (12) of a ball screw mechanism (1), comprising an annular body (32) having a reference axis (300) intended to be aligned with a helical axis of the nut (12), the annular body (32) comprising a bearing surface (36), and a guide structure (34) arranged on the bearing surface (36), the bearing surface is configured to bear a nut (12) against the ball screw mechanism (1) in a bearing direction having an axial component parallel to the reference axis (300), the guide structure is configured to guide the balls in the circulation path opening at a first guide end (62) into a recirculation channel of the nut (12) and at a second guide end (72) onto a raceway (116) defined by a thread of the nut (12), characterized in that the bearing surface (36) lies at least partially in a cross-sectional plane (130) intersecting the recirculation path and perpendicular to the reference axis (300).

The invention relates to the technical field of model section filling, in particular to a section filling method and system suitable for a triangular mesh model of a complex structure, and the method comprises the steps: S1, calculating directed line segments, intersecting with a section cutting plane, of a triangular patch of the model, and storing the directed line segments to a list ListE1, directed line segments corresponding to the inner contour and the outer contour of the model are opposite in direction; s2, the coordinates of directed line segments in the ListE1 are mapped to a two-dimensional plane coordinate system where a section cutting plane is located, and a list ListE2 is formed; s3, extracting a profile contour of the model from the list ListE2 and storing the profile contour to a list ListC based on the included angle, spacing and overlapping frequency information of directed line segments in the list ListE2; s4, determining the contour type of each profile contour in the list ListC, and associating the outer contour with the corresponding inner contour based on the contour space relationship; and S5, constructing a triangular mesh based on the associated inner contour and outer contour, and reversely mapping the triangular mesh to a three-dimensional space. According to the invention, automatic profile filling of a surface fitting or structure nesting complex model is realized.

The invention provides a high-speed aircraft online real-time energy management guidance method and system and a medium, and relates to the technical field of high-speed aircraft guidance, and the method comprises the steps: determining a flight sub-stage of an energy management stage; determining an energy corridor, and planning a low-energy nominal longitudinal track based on a Gaussian pseudo-spectral method; when the aircraft enters the energy management section, judging whether the current actual energy exceeds the energy upper boundary of the energy corridor, adding the S turning section if the current actual energy exceeds the energy upper boundary, otherwise, entering the capture section; predicting the to-fly distance of the aircraft, and obtaining an expected energy state by interpolating the energy profile of the longitudinal trajectory; obtaining an attack angle and a speed brake guidance instruction through a longitudinal guidance law according to the deviation between the current energy state and the expected energy state; outputting a heeling angle guidance instruction according to the flight sub-stage through a transverse lateral guidance law; and circularly executing until the aircraft successfully enters the pre-landing section. According to the strategy, online energy management is realized, and the aircraft is ensured to safely enter the landing section.

The invention relates to the field of aviation, and provides a geometric feature extraction method and detection method of a blade and a related device, and the method comprises the steps: generating a plurality of section planes of the blade along a stacking axis; determining a blade profile of the blade according to each section plane; according to the blade profile, geometrical characteristics of the blade are extracted, and the geometrical characteristics comprise at least one of a chord line, a mean camber line, the maximum thickness, the front edge thickness and the rear edge thickness. Therefore, according to the method, the intercepted blade profile can be quickly determined based on the improved section method, then the geometric features of the blade are obtained through calculation, the efficiency is high, and the calculation result is accurate.

A stabilizer clamp (20) for fastening a stabilizer rod (40) to a vehicle is disclosed. The stabilizer clamp (20) has a receptacle (22) for the stabilizer rod (40), wherein the receptacle (22) is formed as an intermediate space between two legs (24, 24a, 24b) for fastening the stabilizer clamp (20) to the vehicle and a bend (26) connecting the two legs (24, 24a, 24b). The stabilizer clamp (20) is made predominantly of plastic or predominantly of fiber-reinforced plastic. The arch (26) has, in an axially arranged sectional plane relative to the center of gravity of the sectional plane, a flexural rigidity with respect to a curvature about the axial axis of at least 35,000,000 Nmm2, wherein the sectional plane passes through a circle center (28) of the arch or a fictitious radial center of a stabilizer rod for whose diameter the stabilizer clamp (20) is designed.

The invention provides a three-dimensional model surface reconstruction method and device, electronic equipment and a storage medium, and relates to the technical field of data processing, after intersection point coordinates of a three-dimensional object and a coordinate axis tangent plane are obtained, the intersection point coordinates are mapped into an integer coordinate point set according to a preset grid step length, then a closed tangent plane contour is formed through a path connection algorithm, and a three-dimensional model surface is reconstructed. And finally, projecting the contour to adjacent tangent planes and dividing uniform triangular surfaces in a projection overlapping area to cover the surface of an object, so that the problems of large data volume and difficulty in compression caused by dependence on double data sources of a point table and a surface table in the prior art and large calculation amount and difficulty in precision adjustment caused by adoption of irregular triangular surfaces can be solved; the technical effects that the data volume is greatly compressed, the operation efficiency is improved, the accuracy is controllable, and meanwhile the network transmission burden and the local hardware analysis pressure are relieved are achieved.

An aircraft featuring at least one lifting rotor, one or more lifting airfoil-shaped wings, and at least one thrust-generating device capable of spinning the wings or the aircraft with the wings around its centre axis, characterised by the aircraft being able to change its orientation during flight by varying the aerodynamic lift of at least one of the airfoil-shaped wings by a device or a combination of devices including but not limited to, aileron or wing tip control surfaces, orwing pitch modulation, or wing profile modulation, or by modulating the lift produced by the lifting rotors around the aircraft centre of rotation, or a combination of said devices, and with a controller for the aerodynamic lift modulating device.

A sole for a running shoe with an elastic midsole (1) is disclosed, wherein the midsole (1) has several channels (41, 42, 43) extending in the transverse direction (Q) of the midsole (1) and arranged one behind the other in the longitudinal direction (L) of the midsole (1), wherein the channels (41, 41', 42, 43) or at least a part of the channels each have a lateral and / or medial opening in the midsole;and - in cross-section along a cross-sectional plane in the longitudinal direction (L) of the midsole (1) and perpendicular to the transverse direction (Q) of the midsole (1) have an anterior boundary and a posterior boundary, as well as a main longitudinal axis (411, 411', 421), along which the channels (41, 41, 42, 43) extend in a slit-like manner from their respective posterior boundary to their respective anterior boundary such that the lateral and / or medial opening of the channels narrows along the main longitudinal axis (411, 411') from the posterior boundary (414, 414') to the anterior boundary (413, 413').

The invention relates to a wing large deformation test load reconstruction and optimization design method, which comprises the following steps of: determining a loading point coordinate and a force line direction after wing deformation, and controlling a coordinate after plane deformation; determining an accumulated load after the theoretical state control profile is deformed according to design input; according to the coordinates of the loading points after deformation, the force line direction and the coordinates of the control profiles after deformation, determining test state load accumulation after deformation of the control profiles of the large-deformation wing; constructing a nonlinear programming optimization model of the loading point load according to the theoretical state cumulative load and the test state cumulative load, and optimizing the deformed loading point load according to the nonlinear programming optimization model to obtain an optimal loading point load; and according to the optimized loading point load, calculating a test state cumulative load, and judging whether the difference between the test state cumulative load and the theoretical state cumulative load is within a preset error range or not, so as to solve the problems of unreal load simulation, low load processing efficiency and poor precision of the large-deformation wing structure.

The invention relates to a connector pin (10) comprising an electrically conductive elongated flat body (12) and an electrically insulating element (14). At least one protrusion (52) extends from a flat base (50) of a front edge (48) of the elongated flat body (12). The protrusion (52) has a through opening (64). The electrically insulating element (14) covers the front edge (48) and the protrusion (52) so as to fill the through opening (64). The main protrusion (62) can have at least one trapezoidal cross section in a cross sectional plane parallel to the flat base (50) of the front edge (48).

A valve (1) having an axially movable piston (2), wherein the piston (2) is arranged in a valve seat (3), the piston (2) has a peripheral groove (6) with a groove bottom (7), in which a sealing ring (12) is arranged, and a spacing between a piston axis (10) and the groove bottom (7) assumes, at least in an axial sectional plane, at least two different values in an axial region (21) around a contact point (13) between the sealing ring (12) and the groove bottom (7).

The present invention relates to an indexable cutting insert for turning, a complementary tool holder and a tool comprising the cutting insert and the tool holder. The indexable cutting insert comprises: a two-fold rotational symmetry about an axis of symmetry; a top surface, wherein the top surface comprises a substantially rectangular basic shape with two longitudinal edges and two transverse edges, wherein the top surface comprises a first mounting surface and a second mounting surface spaced from the first mounting surface in a direction parallel to the longitudinal edges; a bottom surface, wherein the bottom surface comprises a first abutment surface, a bottom connecting surface and a second abutment surface, wherein the bottom connecting surface connects the first abutment surface and the second abutment surface, and wherein the second abutment surface is spaced from the first abutment surface in a direction parallel to the longitudinal edges, a side surface connecting the top surface and the bottom surface, wherein an intersection of the top surface and the side surface forms first and second cutting edges positioned along the transverse edges of the top surface. Each of the first and second abutment surfaces comprises a surface normal, which surface normal forms an angle of 5 degrees or more with the axis of symmetry such that the first and second abutment surfaces define a convex basic shape of the bottom surface, wherein the angle is measured in a cross-sectional plane parallel to the axis of symmetry and parallel to the longitudinal edges.

The invention relates to a bush bearing with optimized intermediate plates, the elastomer bush bearing comprising a metal core nucleus extending axially along a central longitudinal axis, a outer sleeve concentrically arranged to the core nucleus, an elastomer bearing body arranged between the core nucleus and the outer sleeve and vulcanized thereto, in which bearing body two longitudinal recesses are formed extending in axial direction through the entire length of the bearing body and opposite in a first radial direction, two intermediate plates vulcanized into the bearing body and each comprising at least one circular portion extending in circumferential direction in a cross-sectional plane perpendicular to the central longitudinal axis over at least 135° around a partial center, the bearing body comprising for each intermediate plate an outer elastomer track and an inner elastomer track, the intermediate plates each having two bent portions bent relative to the circular portion. The bent portions of the intermediate plates are bent towards a second radial direction perpendicular to the first radial direction and extend perpendicularly or nearly perpendicularly into the longitudinal recesses of the bearing body.

A non-rotating boring tool for internal turning includes a boring bar having an elongated body, a cutting element with a rake side, a relief surface and a cutting edge, and an electrically controlled vibration actuator for active vibration damping of the boring bar. Moreover, when seen in a cross-sectional plane that is perpendicular to a longitudinal axis of the elongated body and intersecting the cutting edge in a radially outermost point, straight and imaginary first and second reference lines intersect the cutting edge in the radially outermost point with the first reference line extending at an angle of 6° to the relief surface on the outside of the cutting element, and the second reference line extending between the rake side and the relief surface at an angle of 10-40° to the first reference line. The actuator is arranged with its working axis extending in parallel with the second reference line.

A sole for a running shoe including an elastic midsole with a base surface, which delimits the midsole opposite the vertical direction of the midsole, and a surface, which delimits the midsole in the vertical direction. The midsole is divided into a heel region, a central foot region, and a front foot region, and includes multiple channels which run in the transversal direction of the midsole and are arranged one behind the other in the longitudinal direction of the midsole. Each of the channels has an elongated contour in the cross-section along a cross-sectional plane in the longitudinal direction of the midsole and perpendicularly to the transverse direction of the midsole, and each channel has a main longitudinal axis in the cross-section along the cross-sectional plane in the longitudinal direction and perpendicularly to the transversal direction. The acute angle formed between the main longitudinal axis and the base surface of at least one channel arranged in the heel region is greater than the acute angle formed between the base surface and the main longitudinal axis of at least one channel arranged in the central foot region and / or in the front foot region.

A self-locking thread system includes a first threaded member and a second threaded member. The first threaded member includes a first thread. The second threaded member includes a second thread configured to be threaded with the first thread. The first thread has a first thread axis. The first thread includes a locking thread section that is non-circular in a transverse cross-sectional plane perpendicular to the first thread axis.

1. Name of the designed product: profile submarine model. 2. Use of the designed product: toy model. 3. Design points of the designed product: shape. 4. Picture or photo best indicating the design points: front view.

An extractable ladder assembly (4) comprising an extractable ladder (8) that is extractable from a stowed configuration to an extracted configuration, the folding ladder (8) comprising at least two uprights (12) connected to each other by a plurality of steps (16), and a hollow containment housing (20) delimiting a containment compartment (24) suitable for containing the extractable ladder (8) in said stowed configuration, the containment housing (20) extending along a main longitudinal direction (X-X) between an access end (28) and a bottom end (32) and comprising at least one pair of longitudinal guides (36) which can allow the extraction and insertion of the extractable ladder (8) with respect to the containment compartment (24) through said access end (28) along an extraction direction parallel to said main longitudinal direction (X-X). The containment housing (20) comprises a central plate (40) and two side plates (44), arranged on opposite sides of a centerline plane (M-M) of the containment housing (20), said side plates (44) supporting the longitudinal guides (36). The central plate (40) has a convex geometry on the side opposite from the containment compartment (24) with respect to a sectional plane perpendicular to the main longitudinal direction (X-X).

The present invention relates to a device (1) for conducting an electrical current, comprising an electrically insulating substrate (3) comprising a first side (3a), a first electrical conductor (4) arranged on the substrate (3) and comprising a first portion (40) protruding from the first side (3a) of the substrate (3), and a metallic layer (2) arranged on the first side (3a) of the substrate (3), wherein said metallic layer (2) comprises a transition region (20) overlapping at least an edge region (400) of said first portion (40) of the first electrical conductor (4). According to the invention, said edge region (400) comprises a beveled or rounded cross-sectional contour in a cross-sectional plane extending orthogonal to the first side (3a) of the substrate (3).

1. Name of the product in this design: Body of an air purifier. 2. Purpose of this design: The product as a whole is an air purifier used to purify air; the part of the product is the main body of the air purifier. 3. The key design features of this product are the shape of the solid lines in the drawing. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Other situations requiring explanation: The dotted lines in the figure represent content for which protection is not sought; the enlarged cross-sectional views of Design 2 omit the internal structure; sections B and C shown in the 3D view of Design 2 are transparent. 6. Specify basic design: Design 1.

Fig. 1.1 is a perspective view the brake assembly; the brake assembly includes a first part and a second part; fig. 1.2 is a front elevation view of the design 1.1; fig. 1.3 is a rear elevation view of the design 1.1; fig. 1.4 is a right elevation view of the design 1.1; fig. 1.5 is a left elevation view of design 1.1; fig. 1.6 is a top plan view of part of the design 1.1; fig. 1.7 is a bottom plan view of the design 1.1; fig. 1.8 is a perspective view of the first part of the design 1.1; fig. 1.9 is a front elevation view of the first part of the design 1.8; fig. 1.10 is a rear elevation view of the first part of the design 1.8; fig. 1.11 is a left elevation view of the first part of the design 1.8; fig. 1.12 is a right elevation view of the first part of the design 1.8; fig. 1.13 is a top plan view of the first part of the design of 1.8; fig. 1.14 is a bottom plan view of first part of the design 1.8; fig. 1.15 is a cross-sectional view of the first part of the design along section line A-A as shown in 1.9; fig. 1.16 is a perspective view of the second part of design 1.1; fig. 1.17 is a front elevation view of the second part of the design 1.16; fig. 1.18 is a rear elevation view of the second part of the design 1.16; fig. 1.19 is a left elevation view of the second part of the design 1.16; fig. 1.20 is a right elevation view of the second part of the design 1.16; fig. 1.21 is a top plan view of the second part of the design 1.16; fig. 1.22 is a bottom plan view of the second part of the design 1.16; fig. 1.23 is a cross-sectional view of the second part of the design along section line B-B as shown in 1.17.

The invention relates to the field of precision casting, and particularly discloses a mounting and positioning method for a patch at a hot spot of a gas turbine blade, which comprises the following steps of: taking a 3D model of a blade casting and the patch to pass through transverse and longitudinal profile views of the patch and a contour projection view with the patch, and printing the profile view and the projection view in a two-dimensional drawing on paper according to a ratio of 1: 1, the method comprises the following steps: forming a patch profile hole on paper, trimming and cutting a patch shape on a wax block, cutting off 3D model parts in the paper passing through transverse and longitudinal section views of the patch into paper A and paper B, placing the paper A and the paper B at corresponding section positions of a blade wax mold entity respectively, marking the position of a notch where the patch is located, and cutting the patch into a patch shape. Bonding the patch on the blade wax mold; accurate positioning of the patch on the irregular curved surface of the blade is achieved, operation is easy, the research and development period is shortened, the design cost is reduced, and the method is suitable for initial design and preparation of the blade.

1. The name of the design product: sagger. 2. The use of the design product: sagger for drying and sintering of ceramic materials. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. Other circumstances that need to be explained: A-A sectional view is a sectional view of the A-A direction of the top view, and the use state reference diagram is a use state diagram of multiple sagger combination stacking.

The invention relates to a method for generating control data for a device (1) for the additive manufacturing of a component (2), comprising the following steps:-acquiring or generating layer information (SI) comprising a plurality of layer structures (S) of the component (2); -dividing the at least one layer structure (S) into a plurality of sub-structures (T), which together form a number of rings (R) surrounding a point, with adjacent sub-structures (T) being in contact with each other, thereby forming a closed region; a filling vector (HV) is assigned to each substructure, the filling vectors (HV) being selected in such a way that they lie in the plane of the layer structure (S), and the orientations of the filling vectors (HV) of substructures (T) adjoining one another differ from one another with respect to a common coordinate system; -generating the control data (PS) such that the device (1) for additive manufacturing can generate a fill pattern (F) using the control data (PS), the fill pattern comprising cross-sectional lines formed by fill lines substantially parallel to each other along the respective fill vector (HV). The invention further relates to corresponding control data and to a corresponding control data generation device, to a control device for an additive manufacturing device and to a corresponding additive manufacturing device and to a manufacturing method.

A firearm magazine base pad comprises a base pad body adapted to be removably secured to a lower end of a magazine body, the base pad body including a front portion, a rear portion, a pair of opposed side portions, and a lower portion. The lower portion of the base pad body, when viewed in a cross-sectional plane parallel to and medially of the opposed side portions and in a cross-sectional plane perpendicular to the opposed side portions and medially of the front and rear portions, is convex. The front portion of the base pad body, when viewed in a cross-sectional plane parallel to and medially of the opposed side portions, is concave.

The present disclosure relates to a spectrometer device (110) for obtaining at least one item of spectral information on at least one object (112) by spectroscopic measurement, comprising - a detector (138) configured for detecting detection light (122) from the at least one object (112), the detector (138) comprising a plurality of photosensitive elements (140), - a transmission grating (120), wherein the transmission grating (120) comprises a grating structure (124) and a substrate body (126), wherein the grating structure (124) is configured such that the plurality of photosensitive elements (140) are exposed to a differing spectral range of the detection light (122), wherein the substrate body (126) comprises a first surface (128) and a second surface (130), wherein the first surface (128) is opposite of the second surface (130), wherein the first surface (128) is a straight line in a cross-sectional plane, wherein the second surface (130) is a straight line in the cross-sectional plane, wherein the grating structure (124) is arranged on the first surface (128), - at least one focusing optical element (136) configured to receive detection light (122) from the transmission grating (120), wherein a focus point of the focusing optical element (136) coincides with the detector (138), wherein the detection light (122) is propagating from the transmission grating (120) through the focusing optical element (136) onto the detector (138), wherein a normal of the first surface (132) and a normal of the second surface (134) that are tilted in respect to each other, wherein the normal of the first surface (132) and the normal of the second surface (134) lie in the cross-sectional plane.

1. The name of the design product: sagger. 2. The use of the design product: sagger for sintering of ceramic materials. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. Other circumstances that need to be explained: A-A sectional view is a sectional view of the A-A direction of the top view, and the use state reference drawing is a use state drawing of the combination of multiple saggars.