Patent application number | Description | Published |
20130199323 | ZERO BACKLASH GEAR STRUCTURE - A zero backlash gear structure, comprising: an engaging element, a compound gear set, an elastic element, and a fixing element. Wherein, the engaging element is provided with a plurality of engaging slots. The compound gear set includes a compound gear, a gear shaft, and a spline; wherein, the compound gear is provided with at least two gears, said plurality of gears can be engaged to a plurality of engaging slots. Said fixing element is sleeved onto said gear shaft, to press against said plurality of gears and said elastic element. When backlash occurs, said elastic element is used to make said plurality of gears on said compound gear set to get close to each other automatically, so that said fixing element and said compound gear set can move in synchronism, thus achieving zero backlash in both forward and reverse rotations. | 08-08-2013 |
20130203553 | ZERO BACKLASH PLANETARY GEAR TRAIN - A zero backlash planetary gear train, comprising: a shell, a planetary gear set, and at least a sun gear set. Planetary gear set is disposed in said shell, and includes a planetary arm rack having output axis, such that planetary arm rack in said shell is provided with a plurality of double-layer planetary gears. The planetary gear set includes a first planetary gear and a second planetary gear. A buffer mechanism is provided between first planetary gear and second planetary gear. Said first planetary gear is engaged with at least an internal gear on an inner rim of shell, and second planetary gear is engaged with at least a sun gear set. Sun gear set is provided with a sun gear connected to a driving motor. Said zero backlash planetary gear train is capable of eliminating backlash between gears. | 08-08-2013 |
Patent application number | Description | Published |
20090153096 | Power Switching Apparatus for Natural Energy Power Supply - A power switching apparatus for natural energy power supply includes a AC power supply provided by an electricity plant, a converting power supply connected with the AC power supply, a power switch connected with the converting power supply and an external load respectively, a charger connected with the power switch, at least a natural energy power supply connected with the charger, configured for generating electric power and supplying the electric power to the charger, a voltage sensor connected with the charger, and a battery pack connected with the voltage sensor. When there is not sufficient power output from the natural energy power supply, the AC power supply and the load are connected so that the object of uninterruptedly driving the load to work when the natural energy power supply stops working is achieved and the reliability of the natural energy power supply is improved. | 06-18-2009 |
20090174259 | Natural Energy Power Supplying Apparatus - A natural energy power supplying apparatus includes an AC power supply, an inverter, a UPS control circuit, a discharging control circuit, a battery, an electromagnetic switch, a natural energy power supply (NEPS) and a charging control circuit. The inverter is connected to the AC power supply in parallel for converting DC power to AC power. The UPS control circuit is connected to the AC power supply for converting between an AC power and a DC power. The discharging control circuit is connected to the UPS control circuit. The battery is connected to the UPS control circuit and the discharging control circuit respectively. The electromagnetic switch, having multiple normally open switches and multiple normally closed switches, is connected to the AC power supply. The NEPS is connected to the inverter by the normally open switches. The charging control circuit is connected to the NEPS by the normally closed switches, to the battery, to the discharging control circuit, and to the UPS control circuit. | 07-09-2009 |
20120174478 | Solar Module for Greenhouse - A solar module for greenhouse includes a plurality of non-light transmitting solar panels, installed at the top of a greenhouse and arranged vertically and horizontally to form a roof tilted in a particular light receiving direction. A planting area for growing plants is formed inside of the greenhouse and the roof separates the planting area from outside air. Thus, an integrated structure of solar panels and greenhouse is formed to save the construction expense for solar panels and greenhouse and to increase the efficiency for solar panels to receive sun radiation. | 07-12-2012 |
20120174964 | Method and Device for Automatic Compensation of Solar Sunlight Tracing Panel Inclination - The present invention provides a method and a device for automatic inclination compensation of solar sunlight tracing panel. The device includes a plurality of solar panels adjacent to each other and capable of swinging towards sun. Two or more light sensors are separately installed on the light receiving end surface to be illuminated by sunlight and to generate electric potential signals. When comparing the electric potential signals and there is potential difference, the solar panels are driven to synchronically swing until the electric potential of the electric potential signal become the same. Thus the solar plane inclination is compensated and the whole light receiving end is illuminated by sun. | 07-12-2012 |
Patent application number | Description | Published |
20130249040 | Structures for Grounding Metal Shields in Backside Illumination Image Sensor Chips - A device includes a semiconductor substrate having a front side and a backside. A photo-sensitive device is disposed on the front side of the semiconductor substrate. A dielectric layer is disposed on the backside of the semiconductor substrate, wherein the dielectric layer is over a back surface of the semiconductor substrate. A metal shield is over the dielectric layer and overlapping the photo-sensitive device. A metal plug penetrates through the dielectric layer, wherein the metal plug electrically couples the metal shield to the semiconductor substrate. | 09-26-2013 |
20130252355 | Methods for Achieving Width Control in Etching Processes - A method includes performing a patterning step on a layer using a process gas. When the patterning step is performed, a signal strength is monitored, wherein the signal strength is from an emission spectrum of a compound generated from the patterning step. The compound includes an element in the patterned layer. At a time the signal strength is reduced to a pre-determined threshold value, the patterning step is stopped. | 09-26-2013 |
20130277790 | Dual Profile Shallow Trench Isolation Apparatus and System - The presented principles describe an apparatus and method of making the same, the apparatus being a semiconductor circuit device, having shallow trench isolation features bounding an active area and a periphery area on a semiconductor substrate to electrically isolate structures in the active area from structures in the periphery area. The shallow trench isolation feature bounding the active area is shallower than the shallow trench isolation feature bounding the periphery area, with the periphery area shallow trench isolation structure being formed through two or more etching steps. | 10-24-2013 |