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780 results about "Machine design" patented technology

Washing apparatus and method utilizing flexible container to improve cleaning efficiency and minimize space occupancy

An automatic laundry washing machine that is suitable for use in living units having no area set aside for laundry facilities is achieved by replacing the heavy bulky parts of the currently popular automatic washing machine design with a light flexible bag. A large portion of the volume of any washing machine is the vessel for containing the laundry solution and articles to be washed. That vessel is a flexible bag made of modern durable material so as to be collapsible both while in use and for storage. The method of use includes the complete process of washing, rinsing, and extracting excess water in an automatic cycle analogous to standard automatic washing machines popular today. The vessel containing the items being laundered is a waterproof laundry bag with automatic washing apparatus attached. Items are automatically washed in that bag. The automatic process includes cycles of filling, washing, rinsing and extracting such that the clothes are ready for a drying process such as hanging out to dry or putting into a tumble dryer. The agitating of the washing and rinsing cycles is accomplished without the familiar bulky agitator thereby reducing the volume requirements and the traditional wear and tear on the garments. By eliminating the bulky agitator and the spin water extraction method, the heavy transmission is also eliminated. The water extraction cycle is done in a much less violent way than the conventional spin cycle by allowing atmospheric pressure to collapse the washing vessel and press the water from the articles as the water and air are pumped from the vessel in the draining portion of the cycle. The cleaning ability of the water is enhanced by built in ionic processing of the water thereby reducing the required amount of laundry detergent. The agitating in the non-electrically conductive vessel generates static electric charges in the process and ions thus produced further enhance the cleaning ability of the water. Cavitation produced in a multi-frequency washing action further enhances the washing ability of the water. The washing machine is light, compact and collapsible and is as portable as a piece of luggage. The set up procedure is simple and no assembly is required beyond attaching a quick connect fastener to a water faucet and plugging in a power cord. The washing machine is light and takes little storage space. It can be put in a small closet or on a shelf when not in use. The minimum capacity of the washing machine is a single garment. The normal capacity of the washing machine is comparable to that of a standard household washing machine.
Owner:FREDERICK MAX B +2

Distribution method and distribution structure of high-pressure water jet in heading machine cutterhead

The invention relates to a distribution method and a distribution structure of high-pressure water jet in a heading machine cutterhead belonging to the field of the machine design, and in particular relates to a distribution method and a distribution structure of high-pressure water jet in the heading machine cutterhead. The distribution method in the heading machine cutterhead is free from changing the structural form of the existing rock heading machine cutterhead body and the layout and installation way of a hobbing cutter and a material collection port in the cutterhead, and a plurality of high-pressure water nozzles are distributed on the blank position of the end surface of the existing cutterhead structure. The heading machine cutterhead structure consists of the plurality of high-pressure water nozzles, a hobbing cutter, a material collection port and a plurality of water pipes. The rock heading machine cutterhead structure combining the high-pressure water jet and the hobbing cutter utilizes the high-pressure water to force rock joints to expand, so that the rock is easy to crush, the abrasion of the hobbing cutter is reduced, the construction efficiency is improved, and the construction cost is reduced. The water flow formed after the high-pressure water compresses the rock covers an entire digging surface, so that the working surface of the hobbing cutter and the heading machine cutterhead can be cooled, and a dustproof cooling effect on the construction environment can be realized.
Owner:DALIAN UNIV OF TECH

Quantitive type experimental device for dynamic and static performances of static-pressure rotary table

The invention provides a quantitive type experimental device for dynamic and static performances of a static-pressure rotary table, and belongs to the field of machinery design and manufacture. According to the experimental device, a loading device (5) and a loading arm (6) are used for changing magnitude of loads or changing oil supply pressure to control the distance between a static-pressure oil cushion (10) and a rotary table disc chuck (7), a pressure sensor (12) is used for measuring pressure in an oil cavity, an eddy current displacement sensor (11) is used for measuring the thickness of an oil film, a thermocouple temperature sensor (3) is used for measuring oil temperature, a force sensor (4) is used for obtaining magnitude of loading force, a pressure gauge a (15) on a multi-head pump at an oil inlet in the oil cavity is used for measuring pressure of the oil inlet of the oil cavity, and a pressure gauge b (16) arranged between an oil pump and the multi-head pump is used for measuring the oil supply pressure of the static-pressure rotary table. By means of the experimental device, a test of the dynamic and static performances of the static-pressure rotary table is carried out under the condition that temperature is between minus 10 DEG C and 60 DEG C and pressure is not more than 100 MPa, and the experimental device provides guarantee for solving problems in engineering, optimizing structural parameters of the rotary table, and improving machining precision of the rotary table.
Owner:BEIJING UNIV OF TECH

Miniature bionic flapping aircraft based on single-crank and double-rocker mechanism

The invention discloses a miniature bionic flapping aircraft based on a single-crank and double-rocker mechanism, and belongs to the technical fields of machine design and aircrafts. The aircraft adopts a single-crank and double-rocker mechanism, wherein the single-crank and double-rocker mechanism comprises a single-crank mechanism gear, a left wing rocker, a right wing rocker, a left wing connecting rod and a right wing connecting rod; the single-crank mechanism gear is fixed on a frame and forms a rotation pair; one end of each of the left wing connecting rod and the right wing connecting rod is connected with the single-crank mechanism gear through a pin; the other ends of the left wing connecting rod and the right wing connecting rod are respectively and rotationally connected with the left wing rocker and the right wing rocker, so as to transmit power; an extending section is formed at the second end point of each of the left wing rocker and the right wing rocker; the extending section is connected with a flapping wing structure, so as to drive the flapping wing to perform flapping. The aircraft can basically eliminate asymmetry of the aircraft during flight, has a function of switching various flight attitudes, and meanwhile has the characteristics of compact structure, high flexibility, high compactness and low weight.
Owner:BEIHANG UNIV
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