Method Of Construction, Deploying And Operating Submersible And Refloatable Underwater Tubular Platform Structures And The Like, As For Underwater Illumination And Target Detection, And Improved Underwater Platform Structures Therefor
Justice C. Rines - Concord NH Alexander H. Slocum - Bow NH
Assignee:
Academy of Applied Science
International Classification:
E02D 2302
US Classification:
405205, 405203, 405188, 405185
Abstract:
A novel automatically submersible and refloatable underwater tubular pipe platform geometric structure adapted for deployment in underwater target monitoring systems and the like, wherein the floating upon the surface of the water enables flooding of the pipe structure and its submergence, and the introduction of compressed air drives the water out of the pipe platform structure to enable its automatic re-floating.
Device And A Method For Calibration Of An Industrial Robot
Torgny Brogårdh - Västerås, SE Henrik Jerregård - Västerås, SE Alec Robertson - Västerås, SE Alexander Slocum - Bow NH Patrick Willoughby - Cockeysville MD
Assignee:
ABB AB - Västerås
International Classification:
G01C 1738
US Classification:
73 175
Abstract:
A device for calibration of an industrial robot, which calibration device is adapted for being in contact during the calibration with at least one plane of reference arranged on the robot, the calibration device includes an angle measuring member arranged for measuring an angle relative to the vertical line. The device further comprises two contact elements each having a curved surface, and the contact elements are arranged for being in contact with the plane of reference.
Single Carriage Robotic Monorail Material Transfer System
A system to automate distribution of materials and tooling to production machines, where a very simple cross-section track, such as a circle or an X, is anchored to the equipment and to load/unload stations for materials and tooling, and where simple one or two wheeled robotic cars, where the wheels need not be mounted with yaw pivots to the cars, transport the materials or tooling. A control system keeps controls the motor or motors that drive one or two wheels to minimize pitch of the cars as they move along the track.
Alexander H. Slocum - Bow NH Andreas C. Pfahnl - Goffstown NH Ernest P. Walker - Weston MA Ronald A. Sartschev - Dunstable MA
Assignee:
Teradyne, Inc. - Boston MA
International Classification:
H01L 2358
US Classification:
257 48, 257714, 324765
Abstract:
A semiconductor structure for controlling the temperature of a component is described. The structure includes a resistive layer having one or more channels provided therein and having a resistance characteristic such that a signal applied thereto causes the resistive layer to generate heat. A cooling fluid is fed through the one or more channels to cool both the structure and a component disposed on the structure. By providing the cooling channels in the resistive layer, the heating and cooling sources are intermingled. The structure can optionally include precising and vacuum clamping structures, to locate and hold the component that is to be temperature controlled.
Alexander H. Slocum - Bow NH R. Scott Ziegenhagen - Bedford NH
Assignee:
Teradyne, Inc. - Boston MA
International Classification:
H01R 1200
US Classification:
439 66, 439591, 439 81, 439 83
Abstract:
A contactor for use in testing integrated circuit chips. The contactor is made with an array of V-shaped contact elements. The V-shaped contact elements are nested so that the contact elements can be longer than the pitch of the contact points. In this way, the compliance of the beam portions of the contact elements can be increased. Also, the V-shape is very robust. Further, the V-shape allows âfly-byâ testing, which is very useful at high speeds.
Acoustic Suppression Arrangement For A Component Undergoing Induced Vibration
Gary Allan Vrsek - Brighton MI Bruce Joseph Tobis - Farmington Hills MI Furqan Zafar Shaikh - Troy MI Ken Steven Fedeson - Farmington Hills MI Kevin V. Tallio - Saline MI Alexander Slocum - Bow NH
Assignee:
Ford Global Technologies, LLC - Dearborn MI
International Classification:
F02M 3510
US Classification:
12318461, 123 9038, 123195 C
Abstract:
An acoustic suppression arrangement for a component undergoing induced vibration is provided. The arrangement includes a component body having an interior surface and an exterior surface having a panel portion. A containment plate is provided having a spaced relationship from the panel portion. A first projector is connected to the component body panel portion and extends toward the containment plate. A second projector is connected to the containment plate. A connector system is provided to connect the containment plate to the component body while placing the first and second projectors in an interference fit. Vibratory energy of the component body is dissipated by frictional contact between the projectors.
Apparatus Having Motion With Pre-Determined Degrees Of Freedom
Shorya Awtar - Cambridge MA Alexander H. Slocum - Bow NH
Assignee:
Massachusetts Institute of Technology - Cambridge MA
International Classification:
G01L 100
US Classification:
73782, 74521
Abstract:
A motion apparatus having two or five degrees of freedom includes a plurality of arm flexures, a plurality of parallelogram flexures or a plurality of compound parallelogram flexures. The motion apparatus minimizes direct, parasitic, and coupled error motions.
A material transportation system includes one or more material transportation vehicles, each having magnetic wheels coupled to a magnetically attractive surface that can include a ceiling, a wall, a floor, and/or a transition region. The material transportation vehicles are adapted to carry material from place to place. Each material transportation vehicle has sensors and motor controls that reduce swing motion of the material transportation vehicle and the material coupled thereto. A collision avoidance and traffic control system prevents collisions between the one or more material transportation vehicles.
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News
Alternatives To Pins And Holes For 3D Printed Assemblies
ligning objects to each other falls under the heading called minimum constraint design. The first major work on kinematics was a book called _The Constructor_ by Ruleaux, which is still worth reading today. Alexander Slocum from MIT has some excellent course notes available online:
Date: Apr 29, 2023
Category: Science
Source: Google
There's enough wind energy over the oceans to power human civilization, scientists say
Alexander Slocum, an MIT mechanical engineering professor who has focused on offshore wind and its potential, and who was not involved in the research, said he considered the paper a very good study and that it didnt seem biased.