354results about How to "Improve air supply efficiency" patented technology

The invention discloses a combined air deflection assembly which comprises a mounting shell, at least one first air deflector, at least one second air deflector, at least one upper air deflector, at least one lower air deflector and a driving assembly, wherein the at least one first air deflector is arranged on the mounting shell along the left-and-right direction; the at least one second air deflector is arranged on the mounting shell along the left-and-right direction in a mode of synchronously swinging left and right; the at least one second air deflector is positioned in the front side of the at least one first air deflector and is staggered with the at least one first air deflector; the at least one upper air deflector is vertically arranged at the upper part of the corresponding first air deflector; each upper air deflector is inclined forwards and upwards and is at an included angle alpha with the horizontal plane; the at least one lower air deflector is vertically arranged at the lower part of the corresponding first air deflector; each lower air deflector is inclined forwards and downwards and is at an included angle beta with the horizontal plane; the driving assembly is used for driving the second air deflectors to swing synchronously. The combined air deflection assembly has high air deflection efficiency, low wind resistance and a large air supply range. The invention also discloses a vertical air conditioner.

The invention provides a vertical air conditioner indoor unit. The indoor unit comprises a machine shell, a plurality of air outlets are vertically formed in a front panel, and the rear side of the machine shell is provided with an air inlet; a heat exchanger is arranged in the machine shell, a first cross flow fan and a second cross flow fan are vertically arranged in the machine shell, the axes vertically extend, the first cross flow fan and the second cross flow fan are collinear, and therefore the air is promoted to enter the machine shell via the air inlet and is subject to heat exchange with the heat exchanger to be blown out of the corresponding air outlet; an air flue assembly is erected on the circumferential outer sides of the first cross flow fan and the second cross flow fan so as to enable air to be led to the air outlets forwards from the heat exchanger, an air flue partition part is mounted on the air flue assembly and is located between the first cross flow fan and the second cross flow fan, space limited by the air flue assembly is partitioned into an upper portion and the lower portion, the first cross flow fan and the second cross flow fan are contained in the upper portion and the lower portion correspondingly, and the air flue partition part is provided with two bearings matched with a rotating shaft of the first cross flow fan and a rotating shaft of the second cross flow fan correspondingly. According to the indoor unit, the air flue assembly can be simplified, and the influence of the air flue assembly on the heat exchange efficiency of the heat exchanger can be reduced.

The present invention relates to an air conditioner. In a frontward direction relative to a front guide (6a) that guides conditioned air in a frontward-downward direction within a blowing passage (6), wind deflectors 110a and 110b are provided. When the conditioned air is sent out through the blowout port (5) in a straight downward direction or a rearward-downward direction, the wind deflectors 110a and 110b are so arranged that the static pressure distribution near them has a high static pressure part (90) where the static pressure is higher than in the front guide (6a) and that the isobars (90a) of the high static pressure part (90) run along the flow direction of the conditioned air flowing while facing the wind deflectors 110a and 110b.

The invention discloses a ventilation system and a ventilation method for single-cavern large-section extra-long tunnel construction. The ventilation system comprises a construction ventilation temporary partition (2) arranged on one side of a center line of a tunnel; a ratio of a sectional area of a sealed roadway formed by the construction ventilation temporary partition (2) and one side wall of the tunnel to a sectional area of a sealed roadway formed by the construction ventilation temporary partition (2) and the other side wall of the tunnel is close to 2:1; the sealed tunnel with the smaller sectional area is taken as a fresh air intake airway (4); polluted air returned from a tunnel face is discharged out of the tunnel through a polluted air discharging roadway (5) with the larger sectional area; at the outlet of a tunnel portal, the construction ventilation temporary partition (2) extends out of the portal to separate fresh air from polluted air in an area close to the portal. A jet flow tunnel ventilation mode is adopted, the difficult problem of extra-long-distance air supply during the single-cavern large-section extra-long tunnel construction is solved, the air supply efficiency for the tunnel face is effectively improved, the cost is saved, and a better economic benefit is achieved.

The invention relates to an air conditioner indoor unit. The air conditioner indoor unit comprises ion wind generating devices and purifying devices. The ion wind generating devices are arranged on flowing paths, from a fan assembly to air outlets, in a unit shell, and air subjected to heat exchange through a heat exchange device is promoted by electric field force to flow to the air outlets through an air duct of the fan assembly. Each purifying device is arranged on the flowing path from the corresponding ion wind generating device to the corresponding air outlet and used for removing nitric oxide and ozone in air. The purifying devices are arranged outside the corresponding ion wind generating devices. Since high-voltage discharging devices are arranged inside the ion wind generating devices, a certain amount of harmful gas, mainly O3 and NO2, is generated in the working process of the ion wind generating devices, and in order to prevent the harmful gas from affecting physical health of users after being exhausted from the air conditioner indoor unit, the purifying devices are arranged outside the corresponding ion wind generating devices to remove the harmful gas and improve the air cleanliness.

The invention discloses an air conditioner. The air conditioner comprises a shell, a partition plate and a fan assembly, wherein the shell is provided with an air duct, the shell comprises a front panel and a back plate, and an air inlet communicating with the air duct is formed in the back plate. The partition plate can be movably installed in the air duct up and down, the partition plate dividesthe air inlet into an upper air inlet area and a lower air inlet area, and meanwhile the partition plate divides the air duct into a first air cavity and a second air cavity which are distributed inan up-down direction. The upper air inlet area communicates with the first air cavity, and the lower air inlet area communicates with the second air cavity. A first air outlet communicating with the first air cavity and a second air outlet communicating with the second air cavity are formed in the front panel. The fan assembly comprises a first fan and a second fan, the first fan is arranged in the first air cavity and corresponds to the first air outlet, and the second fan is arranged in the second air cavity and corresponds to the second air outlet. According to the technical scheme, the situation that air snatching occurs when the two sets of fans runs at the same time is effectively avoided, and meanwhile, air supply efficiency of the two sets of fans and the heat exchange efficiency of a heat exchanger are further improved.

An air supply system on a vehicle for inflating and deflating a tire. The system includes a compressor connected to a drier having drying material to extract water from the air and a deflation line connectable between the tire and the dryer. The air dryer is operable in a first mode in which air passing through the dryer in a first direction is dried by the dryer and a second regeneration mode in which air passes through the dryer in a direction opposite to the first to remove water collected by the dryer, characterized in that the air used for the regeneration is air deflated from the tire.

The invention discloses an indoor unit of an air conditioner. The indoor unit comprises a shell and an air guide assembly. The shell is provided with an air inlet, an air outlet and an air flue located between the air inlet and the air outlet. The air guide assembly is arranged in the air flue or at the air outlet and comprises a lower air guide plate and louvers, and the louvers are arranged on the lower air guide plate and rotationally connected with the lower air guide plate. In the indoor unit of the air conditioner, when the lower air guide plate swings to guide airflow generated after heat exchange to flow up and down, the louvers rotate relative to the plate face of the lower air guide plate so as to guide the airflow to flow left and right, and therefore the airflow generated after heat exchange is fast and stably conveyed to an area specified by a user, that is, coupling air supply is achieved through coupling movement of the lower air guide plate and the louvers, and the air supply efficiency of the indoor unit of the air conditioner is greatly improved.

The invention relates to an air stop sheet retainer, a branching air supply device and a refrigerator. Specifically, the invention provides an air stop sheet retainer. The air stop sheet retainer comprises a first sealing element and a second sealing element, wherein the first sealing element is in the shape of a flat plate, and a plurality of first holes are formed in the first sealing element; the second sealing element is arranged at one side of the first sealing element and provided with a main sealing part and two bending parts; the main sealing part is in the shape of a flat plate and provided with a plurality of second holes aligned with the multiple first holes respectively; and each bending part extends out from one end of the main sealing part to a direction away from the first sealing element. The invention further provides a branching air supply device with the abovementioned air stop sheet retainer, and a refrigerator with the air stop sheet retainer. The air stop sheet retainer is capable of effectively enabling an air stop sheet to move smoothly, high in arrival rate, capable of ensuring the smoothness of the air stop sheet, capable of preventing air leakage between two air outlets, good in sealing effect, and capable of ensuring that the branching air supply device can carry out effective adjustment on air paths and/or an air quantity.

The invention discloses an air conditioner outdoor unit with an inclined centrifugal fan and an air conditioner and relates to the air conditioner technical field. The air-in and air-out directions of the air conditioner outdoor unit can be changed; the influence on outdoor environment is reduced; and air-in and air-out angles are made to be wider; the heat exchange performance of the air conditioner outdoor unit is improved. The problems of the big influence on the outdoor environment, the small air supply volume and the low efficiency of an air conditioner outdoor unit in the prior art are solved. The inclined centrifugal fan comprises an upper hub, a lower hub and vanes arranged between the upper hub and the lower hub. The tops of the vanes are connected with the upper hub, and the root portions of the vanes are connected with the lower hub. The edges, close to the circle centers of the upper hub and the lower hub, of the vanes are the air-in edges of the vanes, and the edges, far away from the circle centers of the upper hub and the lower hub, of the vanes are the air-out edges of the vanes. The side, close to the lower hub, of the inclined centrifugal fan is the air-in side; the side, close to the upper hub, of the inclined centrifugal fan and the outer sides of the air-out edges are air-out sides. The diameter of the lower hub is bigger than the diameter of the upper hub.

The invention discloses an air conditioning indoor unit and an air conditioner with an air conditioning indoor unit. The air conditioning indoor unit comprises a shell body, which is provided with an air supply opening and an air returning opening; an air guide ring, which is arranged at the air supply opening for adjusting the air supply direction; a driving component, which is connected with the air guide ring, and drives the air guide ring to crossly sway and/or vertically sway; an indoor heat exchanger, which is arranged in the shell body; a blower component, which is arranged in the shell body. The air conditioning indoor unit can greatly increase the air supply scale thereof by arranging the air guide ring which can sway along cross and vertical directions, and air flow can be blown to any zone in front of the shell body, and thereby the dead corner of the air supply in the room is effectively solved, the comfort level of the air conditioning indoor unit is added, time from the indoor temperature to the preset temperature is shortened, and energy consumption of the air conditioning indoor unit is reduced.

The invention relates to an indoor unit of an air conditioner. The indoor unit comprises ion wind generating devices and purifying devices. Each ion wind generating device is arranged on a flow path from a fan assembly to an air outlet in a machine shell, and air subjected to heat exchange through a heat exchange device is promoted by an electric field force to flow towards the air outlet through an air duct of the fan assembly. Each purifying device is arranged on a flow path from each ion wind generating device to the corresponding air outlet and is configured to remove ozone in the air. The purifying devices of the indoor unit are arranged at the outer sides of the ion wind generating devices. High-voltage discharging devices are arranged inside the ion wind generating devices, so that a certain amount of harmful gases mainly comprising O3 can be generated in the working processes of the ion wind generating devices. In order to avoid the phenomenon that the O3 gases are discharged from the indoor unit of the air conditioner to affect the body health of a user, the outer side of each ion wind generating device is provided with one of the purifying devices, so that the harmful gases are removed, and meanwhile, the air cleanliness is improved.

The invention discloses an air purifying device which comprises a filter located at the bottom of the air purifying device. A shell is arranged above the filter. A pumping air supply mechanism is arranged in the shell. An air outlet is formed in the top of the shell. After passing through the filter under the effect of the pumping air supply mechanism, air enters the shell from the bottom, passes through an air channel formed in the shell, and is exhausted from the top of the air purifying device. The pumping air supply mechanism comprises a pumping mechanism and an air supply mechanism. The air purifying device has the advantages that the pumping direction and the air supply direction of the air purifying device are consistent, the pumping efficiency and the air supply efficiency are high, the purification efficiency is high, the purification ability is high, and the air is purer.

The invention provides a vertical air-conditioning device. The vertical air-conditioning device comprises a cabinet body, a main air duct, an auxiliary air duct, a diversion structure and a pluralityof axial-flow fans, wherein the cabinet body comprises a first shell and a second shell which are arranged in an opposite mode, an air inlet is formed in the first shell, and an upper air outlet and alower air outlet are formed in the second shell; the main air duct and the auxiliary air duct which communicate with each other are arranged in the cabinet body; the diversion structure is arranged at the communicating position of the main air duct and the auxiliary air duct and used for closing an air inlet of the auxiliary air duct when the vertical air-conditioning device is in a refrigerationmode and opening the air inlet of the auxiliary air duct when the vertical air-conditioning device is in a heating mode; and the axial-flow fans are horizontally arranged in the axial direction, positioned in the main air duct, correspondingly arranged with the air inlet and the upper air outlet in an opposite mode, and used for inhaling air into the cabinet body from the air inlet, discharging air after the refrigeration treatment from the upper air outlet through the main air duct or discharging the air after the heat treatment from the upper air outlet and the lower air outlet through themain air duct and the auxiliary air duct simultaneously. According to the vertical air-conditioning device, the speed of temperature regulation and the operation efficiency of the device are effectively improved.

This invention discloses an air-feeding device used in air-condition including the following parts: a fan shell made of plastics, an air-feed fan mounted in the shell, a shaft connected with the fan shaft and transferring the drive force of the motor to the fan, a stator fixedly set at the outside of the shell and keeping concentricity with it and a rotor connected with the shaft directly. This invention uses a brushless DC motor to drive the fan stably and increase feeding volume and reduce generation of noises.

The invention relates to an outdoor landing temperature control umbrella which is improved from the landing umbrellas at present. An umbrella handle (1) and umbrella circumference support rods (3) are redesigned; a pipe and a cavity are introduced; an electric control fan (4) is combined to supply air to the downward side of umbrella cloth (2) so as to accelerate the flowing of the air below the umbrella cloth (2). By providing a favorable fresh-air environment to the users, the outdoor landing temperature control umbrella further embodies the humanization of the design and has a wide market popularization value.