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Class 403/30 - Members having different coefficients of expansion


Subclass of Class 403 - Joints and connections
Definition: Structure wherein two members have different coefficients
No. of patents: 125
Last issue date: 08/26/2008


1        
NumberTitleIssue Date
7416362Multidirectionally compliant fastening system
A fastening system has at least one peripheral spring and at least one peripherally expandable bushing, with the peripheral spring being at least partially enclosed within the peripherally expandable bushing. The peripheral spring and peripherally expandable bushing...
08/26/2008
7255538Shrink-fit stress coupling for a shaft of differing materials
A shrink-fit coupling includes a discontinuous ring between a ceramic stub shaft of a turbine rotor and an inner diameter r2 of a metallic shaft which typically supports a compressor rotor. If the materials for the ceramic stub shaft and the discontinuous rin...
08/14/2007
7198465Fastening arrangement for a split casing
A casing of a hydraulic machine such as a gas turbine is formed as a horizontally split type flangeless casing. The flangeless casing consists of an upper casing and a lower casing joined together at joint faces and fastened by fastening bolts. The fastening bolt ha...
04/03/2007
7182578Ceramic spindle coupling structure
A ceramic spindle coupling structure includes a metal bushing which has a housing space that has an inlet and a tapered fastening section of a smaller diameter than the inlet to form a tight coupling with a ceramic spindle without embossing the ceramic spindle and t...
02/27/2007
7168744Fastening structure for use at low temperature
A first flange and a second flange are superposed and fastened with a bolt and a nut in a fastening operation, to implement a fastening structure used at temperature lower than atmospheric temperature for the fastening operation. Assuming that the first flange has a...
01/30/2007
7153054Fastener assembly for attaching a non-metal component to a metal component
A fastener assembly for attaching components of dissimilar material includes a fastener, a spacer, and a mechanism for tightening the assembly. The spacer compensates for differences in thermal expansion rates between the non-metal component and the metal component ...
12/26/2006
7126692Device for holding measurement instruments
A device for holding measurement instruments (2), in particular interferometers, is formed from a plurality of structure elements (4, 5, 6, 7) connected to one another and made from at least one material. The at least one material has a very low coeffi...
10/24/2006
7093574Rocker arm shaft for an automobile engine
Disclosed is a rocker arm shaft for an automobile engine, which is effectively capable of offsetting the length change of the rocker arm shaft, which caused by heat. According to an embodiment of the present invention, a rocker arm shaft can be divided into at least...
08/22/2006
7090423Connecting structures
Joint formations that, in joining together joining members employed in a variety of electrical and electronic components, yield sufficiently high joint strength in the direction perpendicular to the plane in which two joining members join, and meanwhile in the direc...
08/15/2006
7074017Quick-release pump module
A slurry pump includes a power frame as well as a wet end, and the wet end comprises a casing, an impeller and wear ring in the casing, a stub shaft connected to the impeller, a sleeve assembly for the stub shaft and an adapter for adjusting the wet end to the power...
07/11/2006
6960738Metal-ceramic bond
A method of connecting a metal (1) with a ceramic material (2) comprises the steps of providing a through-hole (3) in the ceramic material and positioning the metal (1) to be connected to the ceramic material (2) proximate to the c...
11/01/2005
6948913Turbochargers
A turbocharger has a shaft formed of a strong material such as steel and an impeller formed of a relatively weaker material such as aluminum alloy. The impeller is mounted on the shaft by means of an internally-threaded insert, for example also of steel, interferenc...
09/27/2005
6931709Method of joining non-metallic and metallic components
A method of attaching a first member of one of quartz and a ceramic to a metal member. The method includes creating a hole in the metal member, the hole being smaller in size than the size of the first member over a temperature range, heating the metal member to a t...
08/23/2005
6896483Blade track assembly
The clearances between an array of turbine blades and its surrounding blade track may be controlled by an expansion control material system supporting the blade tracks. The blade track support hoop is placed in tension by the expansion control material placed therei...
05/24/2005
6672786Ceramic to metal joint assembly
A joint assembly for coupling a ceramic member to a metal member is comprised of a ceramic shaft portion attached to the ceramic member; a slotted shrink fitter formed of a first metal and disposed around and in torque transmitting contact with the cerami...
01/06/2004
6668441Screw mounting installation method
A method is described for installing a stud to extend above a surface of a composite portion of a tank or other structure subject to the pressure of cryogenic fluid, so that another structure can be attached to the stud. The method includes drilling a thr...
12/30/2003
6641322Coupling with tribological coating system
A coupling with a tribological system that can withstand temperatures up to 600° C. The coupling includes a shaft having an outer surface with a layer of chromium and a sleeve for receiving the shaft. The sleeve has an inner surface with a layer of silve...
11/04/2003
6626603Screw mounting installation and apparatus
A method is described for installing a stud to extend above a surface of a composite portion of a tank or other structure subject to the pressure of cryogenic fluid, so that another structure can be attached to the stud. The method includes drilling a thr...
09/30/2003
6595528Chuck for the clamping of tools by shrink fit
A chuck for the clamping of tools by shrink fit includes a chuck member which has a longitudinal section having a central receptacle with clamping surface for the insertion and holding of the tool to be clamped with its shank. The longitudinal section inc...
07/22/2003
6520703Coupling with tribological coating system
A coupling with a tribological system that can withstand temperatures up to 600° C. The coupling includes a shaft having an outer surface with a layer of chromium and a sleeve for receiving the shaft. The sleeve has an inner surface with a layer of silve...
02/18/2003
6511077Clamping chuck for clamping tools by shrinkage
A clamping chuck for clamping tools by shrinkage has a chuck body provided with a receptacle for receiving a tool to be clamped with a tool shaft and having an end-side abutment surface for the insertable tool so that during insertion a rear-side shoulder...
01/28/2003
6431781Ceramic to metal joint assembly
A joint assembly for coupling a ceramic member to a metal member is comprised of a ceramic shaft portion attached to the ceramic member; a slotted shrink fitter formed of a first metal and disposed around and in torque transmitting contact with the cerami...
08/13/2002
6348674Method and apparatus for pretensioning remotely installed clamps and flanges
A method and apparatus for securing prestressed or pressure-containing connections, such as in a pipe clamp, in remote or hazardous locations. A connection, having bolts that are heated and pretensioned, can easily be uniformly tightened with a robotic de...
02/19/2002
6315506Shrinkage fit type tool holder
A shrinkage-fit tool holder having a tool holder body 11 having a portion 2 adapted to be connected to a machining center, a manipulator-engaging portion 3, a chuck portion 4 and a tool-holding member 6 for firmly holding a shank of a cemented carbide too...
11/13/2001
6312201Interference fit type cutting tool
In an interference fit type cutting tool according to the present invention, a head section and a shank section are fitted together by shrinkage fitting. The shank section is provided with a shaft portion and a taper portion. The head section is provided ...
11/06/2001
6276863Friction- and form-grip connection of rotating components
In a friction- and form-grip connection of rotating components (1, 2) which have different expansion behavior in the region of the connection during rotation, the form grip is effected via a stepped centering seat (3). The friction grip between the two co...
08/21/2001
6274252Hermetic glass-to-metal seal useful in headers for airbags
A hermetic glass-to-metal seal between a conductive pin and an outer body, wherein a corrosion-resistant noble metal (e.g., gold) coating is applied to the conductive pin before the hermetic seal is formed. The noble metal-coated conductive pin is located...
08/14/2001
6224288Corrugated slider washer bearing
A slider washer bearing in a bolted interface assembly allows relative differential thermal expansion and contraction motion between a component plate fastened to a base plate by a bolt, without inducing large strains and stresses upon the plates or the b...
05/01/2001
6212753Complaint joint for interfacing dissimilar metals in X-ray tubes
A method is used for interfacing materials of dissimilar thermal expansion in an X-ray tube. Initially, a first joint is identified, which has an inner component to be received into an outer component. Typically, the inner component has a higher coefficie...
04/10/2001
6210067Clip flexure slider washer bearing
A clip flexure slider washer bearing in a bolted interface assembly allows differential thermal expansion and contraction between a component mounting plate or flange fastened to a base plate by a bolt. The bearing functions as a thin lubricated spacer be...
04/03/2001
6171009Method and apparatus for temperature-stabilizing a joint
A joint between materials having disparate coefficients of thermal expansion (CTE) is compensated by a collar which extends a dimension of that one of the different materials which has the lesser CTE. A set of different collars provides compensation for s...
01/09/2001
6126357Friction- and form-grip connection of rotating components
In a friction- and form-grip connection of rotating components (1, 2) which have different expansion behavior in the region of the connection during rotation, the form grip is effected via a stepped centering seat (3). The friction grip between the two co...
10/03/2000
6099193Composite body
The invention relates to a composite body which is assembled of at least two bodies. The first body is made of a first material and the second body is made of a second material. Each of the two bodies has at least one connecting surface and these connecti...
08/08/2000
6039810High temperature vapor coating container
A high temperature vapor coating container, including a hollow interior, resists distortion and cracking at a vapor coating temperature of at least about 1700° F. as a result of making the container of a nonmetallic material having a coefficient of therm...
03/21/2000
5937708Ceramic-metal composite assembly
A ceramic-metal composite assembly includes an intermediate member made of a material having a thermal expansion efficiency between those of the materials forming a ceramic member and a metallic shaft member. The intermediate member is metallurgically joi...
08/17/1999
5700129Temperature-adjustable compressor guide vane ring
In order to create an adjusting ring for the synchronous alteration of the angle of pitch of guide vanes of a compressor having several bearing points for mounting on a compressor housing of the compressor, which can be manufactured at least partially fro...
12/23/1997
5680107Temperature actuated spacing regulator and alarm
Thermally induced movement between stacked conical, pyramidal "cones" and segments of such cones can be used to provide alarm signals and control the distance between and orientation of objects. Preferably, each of the stacked cones must have a lesser cha...
10/21/1997
5630671Locking device for a bearing assembly
An annular collar includes a first clamping surface to be positioned radially outwardly of a surface of a bearing inner ring. The annular collar is made of a thermoelastic material such that an increase in temperature decreases the circumference of the an...
05/20/1997
5551790Thermal load relief ring for engine case
A thermal load relief ring is disposed between the mating surfaces of adjacent cases of a gas turbine engine and secured thereto by a dowel pin or bolt to assure the concentricity of the cases. The bolt and dowel pin are configured to assure the concentri...
09/03/1996
5512117Charge plate fabrication process
A charge plate fabrication process provides a charge plate assembly having minimal distortion caused by shifts in temperature and humidity. The fabrication process includes the steps of forming a charge plate coupon having a plurality of charging electrod...
04/30/1996
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