Results 71 to 80 of about 150,049 (210)

基于虚拟样机技术的行星轮系的动力学仿真研究

open access: yesJixie chuandong, 2006
The torsional vibration model of the planetary gear train has combined with the virtual prototype technology. The dynamics simulation of the planetary gear train is proceeded with by the model established.
张庆霞   +3 more
doaj  

Machine Design Experiments Using Gears to Foster Discovery Learning [PDF]

open access: yes, 2015
Machine Design Experiments Using Gears to Foster Discovery Learning For the typical undergraduate engineering student the topic of gears is introduced and discussed in several courses.
Nagurka, Mark L.   +1 more
core   +1 more source

Field verification of lateral-torsional coupling effects on rotor instabilities in centrifugal compressors [PDF]

open access: yes
Lateral and torsional vibration data obtained on a centrifugal compressor train which had shaft instabilities and gear failures is examined. The field data verifies that the stability of centrifugal compressors can be adversely affected by coincidence of
Szenasi, F. R., Wachel, J. C.
core   +1 more source

Anti-backlash circuit for hydraulic drive system Patent [PDF]

open access: yes, 1966
Antibacklash circuit for hydraulic drive ...
Acord, J. D.
core   +1 more source

Clutchless multiple drive source for output shaft [PDF]

open access: yes
A first shaft is connected to a source of rotational power and has a gear fixedly mounted on the shaft. A second gear is fixedly mounted on a gear shaft that is parallel to the first shaft.
Webster, L. D.
core   +1 more source

Rotary bead dropper and selector for testing micrometeorite detectors Patent [PDF]

open access: yes, 1968
Rotary bead dropper and selector for testing micrometeorite ...
Secretan, L.
core   +1 more source

STUDY ON PROFILE MODIFICATION OF GEAR COUPLING USED IN PLANETARY TRANSMISSION

open access: yesJixie qiangdu, 2016
For the planet transmission device whose sun gear shaft is connected with tooth coupling,floating displacement of the sun gear directly determines tilt angle compensating of the tooth coupling,However,because of the sun gear ’s floating displacement ...
TAN YuanQiang   +4 more
doaj  

Hybrid geared traction transmissions [PDF]

open access: yes, 1983
The basic configuration of geared traction drives, geometric and structural factors to be considered in their construction, and current work on hybrid helicopter transmissions rated at 500 and 3000 hp are ...
Nasvytis, A. L., White, G.
core   +1 more source

Calculation Method of Planetary Gear Train Transmission Ratio based on Adjacency Matrix

open access: yesJixie chuandong, 2019
There are many types of planetary gear trains, and each one corresponds to a transmission ratio calculation formula, which makes great difficulties in the comprehensive research of planetary gear trains and the development of general design software ...
Zhao Wang, Xinping Wang, Jiexin Zhang
doaj  

Results of NASA/Army transmission research [PDF]

open access: yes
Since 1970 the NASA Lewis Research Center and the U.S. Army Aviation Systems Command have shared an interest in advancing the technology for helicopter propulsion systems. In particular, that portion of the program that applies to the drive train and its
Coe, Harold H.   +2 more
core   +1 more source

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