Results 81 to 90 of about 10,494 (268)
Mobile remote manipulator vehicle system [PDF]
, 1987 A mobile remote manipulator system is disclosed for assembly, repair and logistics transport on, around and about a space station square bay truss structure. The vehicle is supported by a square track arrangement supported by guide pins integral with the
Bush, Harold G. +3 more
core +1 more source
Discretization Envelope Design Modeling Method of Rack and Pinion with Variable Ratio
Jixie chuandong, 2019 A design method of discretization envelope is proposed for the variable ratio rack and pinion, a transverse profile model of helical gear is established as the gear shaper cutter and the generating motion of gear shaping is simulated to obtain the ...
Dai Yin
doaj
Design of cavity drill bit while drilling for gas drainage of crossing borehole
Gong-kuang zidonghua, 2019 In order to improve gas drainage effect of crossing borehole, cavity drilling technology is often used to increase part borehole diameter of coal seam section, which avoids invalid footage of hole section in rock layer.
GAO Xiaoliang +2 more
doaj +1 more source
Spiral bevel and circular arc helical gears: Tooth contact analysis and the effect of misalignment on circular arc helical gears [PDF]
A computer aided method for tooth contact analysis was developed and applied. Optimal machine-tool settings for spiral bevel gears are proposed and when applied indicated that kinematic errors can be minimized while maintaining a desirable bearing ...
Coy, J. J. +4 more
core +1 more source
Development of Automatic Torque Bond Test [PDF]
, 2011 Proper bonding between adjacent pavement layers is very important to ensure good pavement performance. Manual torque bond test is known to be one of the tests to determine mechanical properties of bond between adjacent pavement layers.
Sutanto, M. H. (Muslich)
core
Space station mobile transporter [PDF]
The first quarter of the next century will see an operational space station that will provide a permanently manned base for satellite servicing, multiple strategic scientific and commercial payload deployment, and Orbital Maneuvering Vehicle/Orbital ...
Marks, Geoff W. +2 more
core +1 more source
Multiple orifice throttle valve Patent [PDF]
, 1970 Throttle valve for regulating fluid flow ...
Fitton, J. A., Jr., Rosales, L. A.
core +1 more source
Application of Face-Gear Drives in Helicopter Transmissions [PDF]
The use of face gears in helicopter transmissions was explored. A light-weight, split torque transmission design utilizing face gears was described. Face-gear design and geometry were investigated.
Bossler, R. B., Jr. +5 more
core +1 more source
Specific wavelength colorimeter [PDF]
, 1974 A self contained, specific wavelength, single beam colorimeter is described for direct spectrophotometric measurement of the concentration of a given solute in a test sample.
Brawner, C. C. +2 more
core +1 more source
Thickness measuring and injection device Patent [PDF]
, 1971 Foam insulation thickness measuring and injection device for spacecraft ...
Spencer, R. L.
core +1 more source