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Armor With Rollers

An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.

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Class 73/54.35 - Including detail of a motor drive, a stator, or a housing structure of a motor


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein significance is attributed to either
No. of patents: 84
Last issue date: 08/23/2011


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NumberTitleIssue Date
8001829Apparatus for sensing at least one parameter in a liquid
An apparatus for sensing at least one parameter in a liquid including a sensor means for sensing the parameter, a rotation means and a drive generator means for driving the rotation means as well as to generate electricity passed to an electricity storage means. In ...
08/23/2011
7367224Rheometer and method for temperature control of its measuring chamber
A rheometer has a measuring chamber which is delimited by a measuring chamber wall in which at least one measuring component is disposed for acceptance of a sample. The measuring chamber can have a gas flowing through it whose temperature is controlled in a desired ...
05/06/2008
7353694Rheometer
A rheometer and method of making rheological measurements are disclosed, in which a sample is supported between plates and an alternating movement is applied by a driver, support rod and plate. Force and displacement measurements are taken and the property determine...
04/08/2008
7275419Rotation rheometer of viscosimeter
A rotational rheometer or viscometer has a measuring motor for driving a measuring shaft which carries a measuring system, particularly a measuring head supported by a shaft portion, which may be contacted with a substance to be examined. Measuring data are introduc...
10/02/2007
7185530Device to measure the solidification properties of a liquid film and method therefor
The present invention is directed to an apparatus and a method for monitoring the viscoelastic properties, of a liquid film (e.g. coating). The apparatus comprises a substrate supporting a liquid film, a probe to contact the liquid film, means for effecting relative...
03/06/2007
7174722Stirling cycle beverage cooler
The invention provides a heat exchanger operable, for example, with Stirling cooling system. The heat exchanger includes a first member having an inner surface defining a flow path for a working fluid. The first member also includes an outer surface spaced from the ...
02/13/2007
7168299Heat spreader for rotary rheometer
A rotary rheometer having a an upper heating/cooling assembly and a lower heating/cooling assembly located opposite one another opposite a sample gap. The lower heating/cooling assembly may comprise a Peltier heater and the upper heating/cooling assembly preferably ...
01/30/2007
7137290Rotary rheometer magnetic bearing
A rotary rheometer having a magnetic thrust bearing. The thrust disk of the magnetic thrust bearing being situated between a pair of magnetic actuator assemblies and extending beyond the circumference of the actuator assemblies so as to encompass the magnetic flux l...
11/21/2006
7135874System and method for enhanced measurement of rheological properties
A sensor for measurement of small-angle or small-displacement position of a rotational rheometer incorporates multiple independent capacitors in a symmetric relationship. The device presents its output as a standard bridge configured differential signal, which can b...
11/14/2006
7082835Pressure sensor apparatus and method
A pressure sensor apparatus is disclosed herein, which generally includes a sensor element, a flexible sensor diaphragm in intimate contact with the sensor element at all pressure levels and temperatures, and a package base and a package cover for hermetically seali...
08/01/2006
7073372Online rotating viscometer and associated measurement methods
Rotating type viscosimeter having a motor (2) for driving a rotating assembly (3) extending through an aperture (4) into a liquid to be tested (1) and measuring the shear forces imparted by said liquid (1) to the rotating assembly ...
07/11/2006
7075317System and method for measurement of small-angle or small-displacement
A sensor for measurement of small-angle or small-displacement position incorporates multiple independent capacitors in a symmetric relationship. The device presents its output as a standard bridge configured differential signal, which can be interpreted and measured...
07/11/2006
7055376Method and a pump apparatus for the generation of an adjustable, substantially constant volume flow of a fluid and a use of this method
A method and a pump apparatus are provided for the generation of an adjustable, substantially constant volume flow of a fluid by means of a pump apparatus, wherein the fluid (5) is forwarded by the pump apparatus (1) from a reservoir (2) into a ...
06/06/2006
7043968Directly refrigerated block
Directly refrigerated component or system in which a refrigerating pathway is provided with passive cooling moderation. The passive cooling moderation can be provided, for example, by a passive cooling moderator that has moderating live space, or by a passive coolin...
05/16/2006
7021123Rheological and calorimetric testing method
Device and methods for rotationally mixing and rheological testing of sample liquids, such as cement particle suspensions, employ mixing blades and shear-resistant members having substantially noncoincident orbital paths. Rheology is assessed by measuring the resist...
04/04/2006
7017393Rotary rheometer magnetic bearing
A rotary rheometer having a magnetic thrust bearing. The thrust disk of the magnetic thrust bearing being situated between a pair of magnetic actuator assemblies and extending beyond the circumference of the actuator assemblies so as to encompass the magnetic flux l...
03/28/2006
6997045Rheomixer device
Device and methods for rotationally mixing and rheological testing of sample liquids, such as cement particle suspensions, employ mixing blades and shear-resistant members having substantially noncoincident orbital paths. Rheology is assessed by measuring the resist...
02/14/2006
6978662Rheometer
A rheometer has an upper measuring part and a lower measuring part, between which a measuring chamber is formed for receiving a sample of a substance to be examined, wherein the two measuring parts can be moved relative to each other and, in particular, can be rotat...
12/27/2005
6962086Rheometer
A rheometer 1, an example of which is shown in FIG. 1, comprising an upper die 2 and a lower die 3. Extending on the vertical axis of this die arrangement is a pneumatic cylinder shaft 6, which is connected to the heater element
11/08/2005
6928860Heat-transfer-inhibiting motor and rotor
Heat-inhibition respecting a motor is provided in connection with a heated instrument through a stand-off mount system and/or a heat-inhibiting rotor/stirrer. The instrument can be a hot bath containing instrument where stirring of the contents of the bath can be ca...
08/16/2005
6832505Rheometer
A rheometer has a rotor comprising a shaft which is seated with play in a recess of a bearing block and is supported contact-free in a radial and/or axial direction by an external air cushion which acts in a bearing section. To provide for simple and inexpensive pro...
12/21/2004
6786081Direct and/or opposing flowpath refrigeration
Device for direct refrigeration has heat-conductable solid member with refrigerant passageway coursing through or about; and at least one test sample well in or in proximity to it, at least one solid, heat-generating member affixed or in proximity to it; and/or opti...
09/07/2004
6776028Induction sensor viscometer
A rotational viscometer includes a cylindrical bob attached to a bob axle, a concentric sleeve exterior of the bob, a motor for inducing rotation in the sleeve, a biasing spring attached to the bob axle for resisting axle rotation, and a measurement system comprisin...
08/17/2004
6691560Free rotor viscometer
A rotary viscometer is described where there is no mechanical linkage between a rotor that is rotated in a test fluid to measure viscosity and the rotor drive source. A rotor is disposed in a test fluid within a test chamber. The rotor is mounted on low f...
02/17/2004
6571610Rotary rheometer
A rotary rheometer has a measurement motor (1) rotating a measuring shaft (16) on which an upper, and in particular a plate-shaped or conical, measuring part (4) is fastened. A measuring gap (S) is formed between the first measuring part (4) and a rotatio...
06/03/2003
6539779Support system with radially rigid wire suspension
The invention comprises measuring or responsive instruments, including (but not limited to) viscometers, having a music wire (20) or like high tensile wire support between driving/driven shaft assemblies (18, 16) and appropriate mounting to eliminate drag...
04/01/2003
6412338On-board rotational viscometers
A viscometer for sensing or characterizing the stress required to shear a fluid at a given rate includes a pair of members coaxially mounted for relative rotation. Between the members is an annular gap defining a flow path for the fluid. The flow path is ...
07/02/2002
6282948Rotary viscometry with a low heat-transmissible spindle
Low heat-transmissible spindle for rotary viscometry includes an elongate, radially balanced, straight shaft made of a suitably stiff material having a low heat-transmission value, with a head monolithic with the shaft which can contact and interface with...
09/04/2001
6257051On-board rotational viscometers
A viscometer for sensing or characterizing the stress required to shear a fluid at a given rate includes a pair of members coaxially mounted for relative rotation. Between the members is an annular gap defining a flow path for the fluid. The flow path is ...
07/10/2001
6246918System and method for generating die swell/draw down information for profile extrusion die design
A system and a method for generating die swell/draw down information for a profile extrusion die design. A rheometer having a slit die and a puller mechanism coupled thereto provide the die swell/draw down information of a polymer resin material in two di...
06/12/2001
6145373Food viscometer and method of use
The food viscometer of the present invention includes a microprocessor controlled fluid viscometer assembly contained in a housing configured for easy mounting on the upper edge of a glass or other conventional drinking utensil. Projecting from the housin...
11/14/2000
5874666Spindle quick-connect and rotary viscometer
Viscometer shaft coupling with upper shaft assembly (12) and lower shaft assembly (14), with overlapping flat ends thereat a diametral plan and constrained by a slidable sleeve (16) overlapping the shafts....
02/23/1999
5852230Device to test pumpability of oils at low temperature
Device can include an array of stators placed in a carousel which can hold the stators in the array apart from one another while precisely cooled by a suitable source. For example, the device can be provided with cooling in conjunction with an instrument ...
12/22/1998
5829754Sealing and flow inducing hub assembly
A hub assembly with improved sealing and anti-clogging properties comprising a housing body with a central, longitudinal aligned bore. In the embodiment described herein, a rotating shaft unit on a consistency transmitter is disposed inside the central bo...
11/03/1998
5821407Automatic viscosity measuring apparatus with rotor automatically detachable
An off-line automatic viscosity measuring apparatus, which can execute viscosity measurement of a plurality of specimens while automatically replacing rotors, is provided. The off-line automatic viscosity measuring apparatus according to the invention has...
10/13/1998
5798454Magnetically suspended device with function of measuring viscosity
A rotor is magnetically suspended in liquid by a non-active magnetic bearing with opposed permanent magnets, a step shaped signal at constant voltage is generated from a signal generator, and supplied to an electromagnet of an active magnetic bearing, the...
08/25/1998
5792942Apparatus for determining properties of slurry materials and sludge treating process
The present invention relates to a property determining apparatus for automatically determining in real time, properties of a slurry material such as of a sludge under treatment. The apparatus, being provided with a sampling cylinder 2, a quantitative sam...
08/11/1998
5777212Spring relaxation method and rotary viscometer for measuring rheological flow properties of a liquid sample by the method
A rotary viscometer has a control mode for measuring the viscosity of a liquid sample with a high viscosity or a high yield value in an ultra-low shear rate range using a spring relaxation method. In this rotary viscometer, a pivot protecting device attai...
07/07/1998
5770795Fluid mixture testing cell suited for detecting phase changes
A mixture containing substances likely to settle or to flocculate is fed into a chamber (1a) of a body (1) delimited by a mobile piston (18) and a closed-circuit circulation of the mixture is established by means of a homogenization turbine (8) driven by ...
06/23/1998
5708197Helical barrel rheometer
A rheometer and method for determining rheological characteristics of a composition, the rheometer including: a housing member; a helical flange disposed on an inner surface of the housing member; a rotor disposed concentrically within the helical flange ...
01/13/1998
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