Results 91 to 100 of about 10,494 (268)

Low-Rate Characterization of a Mechanical Inerter

Machines, 2018
In this study, improved analytical models, numerical parametric explorations, and experimental characterization are presented for a mechanical inerter to bring out dependencies for dynamic mass amplification under low rates (<5 Hz) of excitation.
Karthik Madhamshetty, James M. Manimala
doaj   +1 more source

The development of a universal diagnostic probe system for Tokamak fusion test reactor [PDF]

, 1982
The Tokamak Fusion Test Reactor (TFTR), the largest such facility in the U.S., is discussed with respect to instrumentation in general and mechanisms in particular. The design philosophy and detailed implementation of a universal probe mechanism for TFTR
Cabral, R., Manos, D., Mastronardi, R.
core   +1 more source

Contact Analysis and Tooth Profile Optimization Design of Rack and Pinion for Rack-rail Trains Based on the Finite-length Line Contact Theory

Jixie chuandong
In order to investigate the influence of the error of center distance between the driving pinion and rack track meshing and the error of axis non-parallelism on the contact stress distribution during the curved driving of rack-rail trains, an analytical ...
Lei Huanhuan, Zhao Jiadong, Zhi Yanfeng, Shi Lubing, Zhao Yukai, Yue Zihao   +5 more
doaj  

Apollo 17 mission. Mapping camera extension mechanism operated erratically [PDF]

The erratic operation of the mapping camera assemblies on board Apollo 15, 16, 17 is investigated. The exact causes of the problems with the scientific equipment module deployment mechanisms are not identified.

core   +1 more source

Tabletop robot to aid in arm rehabilitation of stroke patients [PDF]

, 2005
Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2005.Includes bibliographical references.The aim of this project was to design and build a tabletop robot that could move the arm of a patient with limited motor ...
Shu, Yuan, 1983-
core  

A molecular rack and pinion actuates a cell-surface adhesin and enables bacterial gliding motility. [PDF]

Sci Adv, 2020
Shrivastava A, Berg HC.
europepmc   +1 more source

Joint assembly [PDF]

, 2010
A joint assembly is provided which includes a drive assembly and a swivel mechanism. The drive assembly features a motor operatively associated with a plurality of drive shafts for driving auxiliary elements, and a plurality of swivel shafts for pivoting
Parikh, Neil, Punnoose, Andrew, Strausser, Katherine, Wilson, Andrew   +3 more
core   +1 more source

A Novel Low-Cost Mechanism for Energy Generation through Footsteps

Materials Proceedings
Energy is the primary concern of the modern era and the requirement of energy is being increased day by day; energy resources are not sufficiently available for sustainable development.
Syed Azfar Imam Zaidi, Shahid Iqbal, Fahad Hussain, Muhammad Hammad Ikram, Waqas Javid, Muhammad Mateen   +5 more
doaj   +1 more source

Generation of a crowned pinion tooth surface by a surface of revolution [PDF]

A method of generating crowned pinion tooth surfaces using a surface of revolution is developed. The crowned pinion meshes with a regular involute gear and has a prescribed parabolic type of transmission errors when the gears operate in the aligned mode.
Handschuh, R. F., Litvin, F. L., Zhang, J.   +2 more
core   +1 more source

Backpack carrier Patent [PDF]

, 1970
Backpack carrier with retractable legs suitable for lunar exploration and convertible to rescue ...
Read, F. G., Spady, A. A., Jr.
core   +1 more source