4results about How to "No cost" patented technology

The utility model relates to the technical field of electromechanical brake, concretely relates to a moving coil type electromagnetic catapult short circuit brake system, including power supply device, A phase conducting rail, B phase conducting rail, C phase conducting rail, first switch group, second switch group, third switch group, runner coil and a plurality of stator, the A phase conducting rail, the B phase guiding rail and the C phase guiding rail are parallelly laid along the catapult track, the A phase conducting rail, the B phase guiding rail and the C phase guiding rail are divided into acceleration section and deceleration section, the A phase conducting rail, the B phase guiding rail and the C phase guiding rail of the deceleration section are short circuited through the third switch group, the utility model discloses through adopting the third switch group direct short circuit A phase conducting rail, B phase guiding rail and C phase guiding rail, can realize very fast response speed brake runner coil, has solved the technical problem such as the brake system response slow of prior art, maintenance cost is high.

A method for manufacturing molybdenum trioxide powder is provided, which can reduce material costs and decrease the environmental impact and waste costs associated with the disposal of byproducts generated during roasting. The manufacturing method includes: a first roasting step of roasting a first raw material mixture comprising a molybdenum oxide precursor compound and metal compound particles other than molybdenum compounds in a sagger; a first cooling step of generating molybdenum trioxide powder; a first crushing step of crushing a residue in the sagger containing metal oxides derived from the aforementioned metal compound particles to form first crushed particles; a second roasting step of roasting a second raw material mixture comprising a molybdenum oxide precursor compound and the first crushed particles in a sagger; a second cooling step of generating molybdenum trioxide powder; and a second crushing step of crushing a residue in the sagger containing metal oxides derived from the first crushed particles to form second crushed particles.

This utility model discloses an aphid collection device in the field of insect rearing technology, comprising an outer cylinder and a cylinder cover arranged correspondingly to each other. The cylinder cover is horizontally installed on the upper end of the outer cylinder. A rotatable inner cylinder is fitted inside the outer cylinder. A lower center seat is provided on the bottom wall of the inner cylinder. A vertical lower positioning shaft is provided at the lower end of the inner cylinder, and a vertical upper positioning shaft is provided at the upper end of the inner cylinder. An upper positioning seat is provided at the lower center of the cylinder cover. The upper positioning shaft is inserted into the upper positioning seat, and the lower positioning shaft is inserted into the lower positioning seat. A driven gear is sleeved on the outer circumference of the upper positioning shaft. A driving mechanism is provided on the cylinder cover corresponding to the driven gear. A closing mechanism is provided between the cylinder cover and the outer cylinder. This utility model aims to significantly improve the aphid collection speed and increase the collection quantity, meeting the needs of large-scale applications.