49results about How to "Intake fast" patented technology

The invention relates to a dynamic engine and aims at providing a pneumatic internal combustion hybrid engine. The engine comprises at least one pneumatic motor, at least one internal combustion engine and a high-pressure air tank, wherein the outlet pipeline of the high-pressure air tank is connected to the air inlet pipe of the pneumatic motor through a check valve and a pressure regulating mechanism; the air inlet pipe of the internal combustion engine is respectively connected with the exhaust pipe of the pneumatic motor and an air inlet; and a pneumatic motor crankshaft and an internal combustion engine crankshaft are connected in a sub-crankshaft mode through a crankshaft coupling mechanism. The hybrid engine provided by the invention has the advantages that air can be exhausted by fully utilizing the high pressure and lower temperature of the pneumatic motor, a supercharging effect can be formed for the internal combustion engine, and the size of the intercooler of the air intake system of the internal combustion engine can be reduced appropriately; and the pneumatic motor and the internal combustion engine are connected in a sub-crankshaft coupling mode so as to output motive power externally, thus the pneumatic motor and the internal combustion engine can operate on the respective optimal regions.

The invention discloses a metal plate polishing device, and relates to the technical field of metal machining machines. The metal plate polishing device comprises a base, wherein a vertical plate is vertically arranged on the base, a motor is fixedly installed on the vertical plate, a polishing disc is fixedly installed on a rotating shaft of the motor, a bracket is arranged on the lower side of the polishing disc, the polishing disc comprises a rotating wheel, first supporting columns and second supporting columns, a through hole is formed in the middle of the rotating wheel, a plurality of cavities are annularly distributed in the rotating wheel, the cavities are located on the outer side of the through hole, and meanwhile the cavities communicate with the through hole through communicating grooves; and a plurality of telescopic first supporting columns are installed on the rotating wheel in a sliding mode, the ends of the first supporting columns extend into the cavities, and meanwhile every two adjacent first supporting columns are connected through the corresponding second supporting column. According to the metal plate polishing device, when the surface of a workpiece and the polishing disc are extruded, the first supporting columns are pushed to contract, installation frames in the contracted first supporting columns push elastic connecting rods to contract, the contracted elastic connecting rods push two pull rods to be gathered together, and therefore the second supporting columns are pushed to extend out, an abrasive belt is tensioned through the extending-out elastic connecting rods, and the problem that the abrasive belt is loosened and falls off in the contracting process is avoided.

The invention discloses a cooking utensil with a liner suction prevention function, which comprises a pot body, wherein a liner is arranged in the pot body; and a cooker cover which is provided with asealing ring, wherein the sealing ring comprises a sealing ring body and a lower lip edge, the lower lip edge is provided with an upper sealing part and a lower sealing part, one end of the upper sealing part is fixedly connected with the sealing ring body, the other end of the upper sealing part is fixedly connected with the lower sealing part, and a groove is formed in the side, facing the inner container, of the upper sealing part. A plurality of convex ribs capable of being matched with the inner wall surface of the inner container in a sealing manner are arranged in the groove, and an air guide gap is formed between every two adjacent convex ribs. After the convex rib is pressed upwards in the inner container, sealing can be formed between the convex rib and the inner container underthe action of gas pressure in the inner container, so that the sealing performance of the sealing ring is improved, the convex rib restores to the original shape under the action of elastic force ofthe convex rib after pressure relief, the gas guide gap is opened, and external gas flows into the inner container through the gas guide gap at the moment of cover opening; negative pressure in the container is rapidly eliminated, and rapid uncovering is facilitated.