Bell mouth

About: Bell mouth is a research topic. Over the lifetime, 603 publications have been published within this topic receiving 1624 citations.

Motor with integrated impeller and bell mouth

Abstract: The present invention relates to a motor to which an integrated impeller and a bell mouth are applied. Particularly, the present invention relates to a motor which comprises: a stator having a central hole in the center; a coil installed on the stator and protruding up and down through upper and lower surfaces of the stator; a rotor disposed in the central hole of the stator; a housing respectively installed on upper and lower portions of the stator; an impeller installed inside the housing; and a bell mouth guiding air sucked in when the impeller rotates. The impeller includes: a base disposed on an upper surface of the rotor and penetrating a rotation axis of the rotor; and a plurality of lower blades formed to be integrally spaced apart along an edge of the base and positioned inside the coil. The bell mouth is integrally formed on an upper surface of the lower blade, thereby simplifying assembly man-hour and improving cooling efficiency.

Outdoor unit of air conditioner and bell mouth mounted thereon

Abstract: PROBLEM TO BE SOLVED: To provide an outdoor unit of an air conditioner and a bell mouth mounted thereon which achieve further improvement in efficiency and noise reduction performance at a low cost while increasing a degree of freedom for an installation place thereof.SOLUTION: A bell mouth 102 comprises: a straight pipe section 111 which stores a propeller fan 101; a discharge side opening section 112 which is arranged at a downstream side in a direction of an air flow generated by rotary drive of the propeller fan 101 and has a diameter larger than an inner diameter of the straight pipe section 111; and an intake side opening section 110 which is arranged at an upstream side in the direction of the air flow generated by the propeller fan 101 and serves as an inlet port of the propeller fan 101. The bell mouth 102 also has a stair-like step section 113 which is arranged on an inner wall thereof between the straight pipe section 111 and the discharge side opening section 112 and surrounds the propeller fan 101 at the downstream side thereof in the direction of the air flow viewed from the propeller fan 101.SELECTED DRAWING: Figure 2

Mounting structure of bell-mouth and range hood

Abstract: PROBLEM TO BE SOLVED: To improve workability of maintenance of ventilation devices arranged in high positions.SOLUTION: In a mounting structure for mounting a bell-mouth 10 arranged in a suction opening 22 of a blower 21 having a fan casing of a ventilation device 1 to the suction opening, the bell-mouth 10 is mounted by pushing the same to the suction opening side and dismounted by pulling the same in a reverse direction.

Segmentation-type esophageal stent and weaving method therefor

Abstract: A segmentation-type esophageal stent and a weaving method therefor. The esophageal stent is a cylindrical mesh stent that is formed by weaving a monofilament and has two ends in the shape of a bell mouth; the mesh stent consists of an upper bell mouth segment and a lower bell mouth segment; the upper bell mouth segment and the lower bell mouth segment are connected by means of several locking structures. Compared with an existing hook-type lock, a cruciform locking structure can enhance the supporting force of a whole esophageal stent and have good rigidity; the two ends of the esophageal stent both are in the shape of the bell mouth; by means of the design of the bell mouth, after the esophageal stent is inserted into an esophagus, the bell mouth in an upper part facilitates the pass of food, and the bell mouth in a lower part can prevent the stent from displacing and have a good function of fixing the stent, so that the stent is accurately fixed and positioned; the weaving process of the whole stent is completed by means one filament, so that the rigidity of the esophageal stent is improved, the axial compressional deformation of the esophageal stent can also be reduced, and the normal use of the esophageal stent is ensured.

High-power power electronic device radiating apparatus

Abstract: The invention relates to a high-power power electronic device radiating apparatus comprising a power supply, a controller, an air blowing switch, an air absorbing switch, and a radiating channel. An air blowing fan, an air blowing bell mouth, a radiator, an air absorbing bell mouth, and an air absorbing fan are arranged in the radiating channel. The air blowing fan blows air to the radiator through the air blowing bell mouth. The air absorbing fan absorbs air from the radiator through the air absorbing bell mouth. The air blowing bell mouth is used to connect the air blowing fan and the radiator and ensure that air is blown to the radiator. The air absorbing bell mouth is used to connect the air absorbing fan and the radiator and ensure that air flows out of the radiator. The high-power power electronic device radiating apparatus of the invention is reasonable in design. Through cooperative work of the air blowing fan and the air absorbing fan, high-power power electronic device radiating through the air duct of the radiator is better in effect than a traditional radiating mode. Whether the fans are put into work can be controlled according to actual operation conditions. Energy saving is achieved under the condition of ensuring the effect.