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Ball pump

Voynov K., Chertok H.

Acta Mechanica et Automatica

2009

Vol. 3, no. 4

85-86

A new and very effective ball pump is created. It can pump across the different liquids, for example: water, lubricants, oil, glycerine and even blood. Moreover it works not only like a pump but as a hydro-machine which can be applied in the various systems, namely, locomotives, robots and so on.

Stability of the laws for the distribution of the cumulative failures in railway transport

Voynov K.

Transport Problems

2008

T. 3, z. 1

35-40

There are very many different laws of distribution (for example), bell-shaped (Gaussian) distribution, lognormal, Weibull distribution, exponential, uniform, Poisson's, Student's distributions and so on, which help to describe the real picture of failures with elements in various mechanical systems, in locomotives and carriages, too. To diminish the possibility of getting the rough error in the output of maths data treatment the new method is demonstrated in this article. The task is solved both to the discrete, and to the continuous distributions.

Measurement of the quality of lubricants for mechanical systems

Voynov K., Samoylova H.

Acta Mechanica et Automatica

2008

Vol. 2, no. 4

99-101

One of the basic factors which plays the dominant role in different machines and mechanisms (and in robots too) is a lubricant (oil, grease, fat, plastic lubricant, organic or synthetic lubricant etc.). In the paper the new effective method of quality test for different lubricants is represented, because a bad lubricant may be a reason of any mechanical system damage.