Recent Patents on Mechanical Engineering - Volume 8, Issue 3, 2015

Lane changing is a significant research topic about micro transportation simulation and safety assistant driving. It has massive influence on transportation operation and safety. Lane changing and warning model researches can highlight operational laws of intelligent vehicles. So such researches are meaningful forintellectualization of vehicles and realization of automatic driving. This text analyzes lane changing model Read More

In-Mold Labeling (IML) during injection molding is a relatively new injection molding technology, which is used to improve the surface quality of the plastic products in order to achieve a variety of surface design, etc. In the IML process, the film is made of a mold cavity and connected to one side of the mold wall, then the molten polymer is filled in the cavity. This paper introduces the basic principle and equipment of IML injection Read More

RF MEMS switches have attracted widespread attention in recent years. Compared to PIN diodes and FET switches, RF MEMS switches have many advantages including low insertion loss, high isolation, low power consumption, high linearity, small size, low cost, wide band and easy integration. In this paper, the working principle of RF MEMS switches is introduced. Then, the failure mechanisms and reliability analysis of the RF ME Read More

Life cycle assessment (LCA) is a scientific assessment method to promote recourse saving and environmental protecting behavior. LCA has been applied extensively to investigate issues related to shortage of resources and environmental degradation. In order to specify the development and benefits of LCA in current and future industrial environment, this paper provides a systematic review by addressing recent patents using Read More

The basic reliability concepts - parametric ALT plan, failure mechanism and design, acceleration factor, and sample size equation were used in the development of a parametric accelerated life testing method to assess the reliability quantitative test specifications (RQ) of mechanical systems subjected to repetitive stresses. To calculate the acceleration factor of the mechanical system, a generalized life-stress failure model wit Read More

The electric-mechanical continuously variable transmission which is driven by electric motor is a perfect type of transmission for electric vehicle. In this paper, the first objective is to address recent patents on the configuration of electric-mechanical continuously variable transmission. The second objective is optimization of the energy consumption of all-electric vehicle equipped with electric- mechanical continuously variabl Read More

The paper shows concentric journal bearings formed between smooth shafts and smooth journals registered in patents, which are objected by conventional hydrodynamic lubrication theory. Such bearings can be constructed by physical adsorption or by the boundary slippage. In the inlet zone of the bearing, on the stationary bearing surface, a coating is normally covered so that the lubricant significantly more strongly ad Read More

Some factors affecting the high-speed lathe motorized spindle optimal machining performance are: the big deformation of the spindle front-end, the poor cooling and heat dissipation, and the low processing precision. In this paper, first, a review is performed about recent patents on the structure design of motorized spindles and on the measurement and analysis of vibration and noise generated by motorized spindle ope Read More

In this paper, two sets of H7014C/HQ1P4 bearings underwent test for high-speed performance under spray lubrication. The influence rules of rotation speed, pre-tightening force and oil pressure on the bearing temperature rising and host vibration were analyzed by adjusting the bearing rotation speed, axial pre-tightening force as well as oil pressure and measuring bearing temperature and host vibration. It has been fou Read More