Results 41 to 50 of about 10,240 (167)

Rotating mandrel for assembly of inflatable devices Patent [PDF]

open access: yes, 1970
Rotating, multisided mandrel for fabricating gored inflatable ...
Macfadden, J. A.   +2 more
core   +1 more source

Combustion engine for solid and liquid fuels [PDF]

open access: yes
A combustion engine having no piston, a single cylinder, and a dual-action, that is applicable for solid and liquid fuels and propellants, and that functions according to the principle of annealing point ignition is presented.
Pabst, W.
core   +1 more source

Bar-holding prosthetic limb [PDF]

open access: yes, 1992
A prosthetic device for below-the-elbow amputees is disclosed. The device has a removable effector, which is attached to the end of an arm cuff. The effector is comprised of a pair of C-shaped members that are oriented so as to face each other.
Belcher, Jewell G.   +3 more
core   +1 more source

Anisotropic dynamics in a shaken granular dimer gas experiment

open access: yes, 2004
The dynamics, velocity fluctuations, and particle-plate interactions for a 2D granular gas of shaken, non-spherical particles are studied experimentally. The experiment consists of a horizontal plate that is vertically oscillated to drive the dynamics of
Atwell, J., Olafsen, J. S.
core   +1 more source

Forecasting the durability of hollow shafts and axles of agricultural machinery products

open access: yesTraktory i sel hozmashiny, 2017
The issues of increasing durability in the development of technologies for strengthening the critical parts of agricultural machinery products are considered. The conducted experiments and calculations show that the use of hollow axes, shafts and other hollow products gives a great technical and economic effect, reduces the consumption of metal ...
V. B Dement'ev, A. D Zasypkin
openaire   +1 more source

Sputtering and ion plating for aerospace applications [PDF]

open access: yes
Sputtering and ion plating technologies are reviewed in terms of their potential and present uses in the aerospace industry. Sputtering offers great universality and flexibility in depositing any material or in the synthesis of new ones.
Spalvins, T.
core   +1 more source

Design of a Solar Panel Deployment and Tracking System for Pocketqube Pico-Satellite [PDF]

open access: yes, 2017
Modularized small satellites will have even greater potential with better energy supply. In this paper, a PocketQube solar panel deployment and tracking system will be presented. The system is designed for a 3P PocketQubes.
Harkness, Patrick   +2 more
core   +1 more source

Enhanced granular medium-based tube press hardening

open access: yes, 2016
Active and passive control strategies of internal pressure for hot forming of tubes and profiles with granular media are described. Force transmission and plastic deformation of granular medium is experimentally investigated.
Born, Philip   +7 more
core   +1 more source

Structural Weight of Aircraft as Affected by the System of Design [PDF]

open access: yes
Various details of design or arrangement of the parts of airplane structures are shown and discussed, the use of these devices having resulted in the production of structures of adequate strength, yet of a weight less than one-half of the usual ...
Hall, Charles Ward
core   +1 more source

Measuring device Patent [PDF]

open access: yes, 1966
Expulsion and measuring device for determining quantity of liquid in tank under conditions of ...
Bernardin, R. M.   +3 more
core   +1 more source

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