An outdoor unit of an air conditioner is provided. The outdoor unit includes a base assembly defining a lower exterior of the outdoor unit and supporting a plurality of parts, left and right panels that are provided on the base assembly to define left and right exteriors of the outdoor unit, a pair of top panels that are provided between upper ends of the left and right panels to define a top exterior of the outdoor unit, a blower assembly including a blower fan generating air current and a motor providing a torque to the blower fan, a frame assembly supporting the blower assembly and including a pair of transverse supports interconnecting the left and right panels and a motor mount disposed between the pair of transverse supports to support the motor, and a shroud enclosing the blower fan and the motor and guiding airflow generated by the blower fan. The motor mount is received to an inside of the shroud.

Outdoor unit of air conditioner

An indoor unit (100) includes a casing (1) having a suction port (2) formed on an upper portion and a blow-out port (3) on a lower side of a front surface portion, an axial-flow or mixed-flow fan (20) provided on the downstream side of the suction port (2) in the casing (1), and a heat exchanger (50) provided in the casing (1) at a position on the downstream side of the fan (20) and on the upstream side of the blow-out port (3). The heat exchanger (50) includes a plurality of fins (56) arranged side by side with predetermined gaps therebetween and a plurality of heat-transfer tubes (57) penetrating through the plurality of fins (56). The heat exchanger is configured in such a manner that the air-flow resistance of an area facing the outer peripheral side of the fan (20) is larger than the air-flow resistance of an area facing a center portion of the fan (20).

Indoor unit of air-conditioning apparatus and air-conditioning apparatus

The present invention reduces the size of an outdoor refrigerator unit of the type that draws in air from a lateral face, exchanges heat with the air, and blows the air out of a top face while ensuring that the electrical equipment box has sufficient volume and suppressing the increase in the air flow resistance. The air conditioning system outdoor unit is of the type that draws in air from air inlets provided in the rear panel and a pair of side panels of a casing, exchanges heat with the air, and blows the air out through an air outlet provided in a top panel. The outdoor unit is provided with an axial fan and an electrical equipment box arranged inside the casing. The electrical equipment box is arranged inside the casing and has a first box part that is provided below the axial fan and a second box part that is provided below the first box part and has a larger surface area in a plan view than the first box part.

Outdoor unit of refrigerator, and electrical equipment box of outdoor unit

A heat exchanger is configured such that flat tubes 101 in at least two levels bent or connected to each other at one end in an axial direction of the flat tubes and the flat tubes 101 in at least two columns connected to each other are included in refrigerant passages through which refrigerant flows, and a flow direction of gas is counter to flow of refrigerant through the refrigerant passages in a column direction while the heat exchanger serves as a condenser.

Heat exchanger and refrigeration cycle device

PROBLEM TO BE SOLVED: To provide an air-conditioner improved in static pressure efficiency and reduced in noise SOLUTION: The air-conditioner comprises an axial-flow fan 16 disposed in a main body 3 of an indoor or outdoor unit 2, a bell-mouth 28 provided around outer peripheries of blades 14 of the axial-flow fan with an end face of a blowout side opening attached to a fan grill 26, an L-shaped heat exchanger 24 installed over a rear surface and a side surface of the main body, and a chamber 6 located on an opposite side from the side surface and divided by a partition plate 4 from a space 8 in which the axial-flow fan is disposed The bell-mouth 28 is formed so that at least a curvature radius of an inner periphery of an inlet side opening is larger on a partition plate 4 side than on a side of the side surface COPYRIGHT: (C)2006,JPO&NCIPI

Blower and air-conditioner

PROBLEM TO BE SOLVED: To make compact and silent an outdoor machine for an air conditioner which uses the air blowing-out surface of an axial fan installed to the upper section of an enclosure as its upper surface by providing a corner guide to at least one of the void sections in the corner sections formed of the front-face plate, roof plate, and one side-face plate which is adjacent to the front-face plate SOLUTION: A top-flow type outdoor machine 1 is provided with air supplying openings on its side-face sides and a heat exchanger 8 on its back side The machine 1 is also provided with a compressor 9, an accumulator 10, an axial fan, a bell mouth 12, etc, and a heat-exchanged wind exhausted front the fan 11 is discharged upward after passing through an exhaust pipe 7 and a guard net 16 In the machine 1, a corner guide 18a is provided to the void of each corner section formed of the front-face plate 2, side-face plate, roof plate 6, and bell mouth of the machine 1 Therefore, the outdoor machine 1 can be operated silently, because the heat-exchanged wind sucked from the heat exchanger 8 is prevented front staying in the voids of the corner sections and, at the same time, the efficiency deterioration of the fan 11 caused by uneven flows in the circumferential direction can be suppressed

Outdoor machine for air conditioner

PROBLEM TO BE SOLVED: To decrease channel resistance by providing a motor supporting plate for supporting a fan comprising a supply/suction fan and a drive motor for fan between the bottom plate of a housing and the drive motor for fan thereby halving the area of the motor supporting plate when viewed from the front side of an outdoor unit SOLUTION: A motor supporting plate 1 comprises a pair of main plates 2a, 2b and an auxiliary plate 3 wherein the fixing legs 6 of a drive motor 5 for fan are supported by the main plates 2a, 2b, at the upper ends thereof, and fixed to a bottom plate 7 by means of an auxiliary plate 3 A heat exchanger 8 is disposed on the back face side of the bottom plate 7 The motor supporting plate 1 is placed between the drive motor 5 for fan and the bottom plate 7 and not placed between the drive motor 5 and a top plate 10 A specified space is thereby ensured at the upper half in the housing defined by the bottom plate 7, a front plate 9, the top plate 10, and the like, and channel resistance is decreased by halving the occupation area of the motor supporting plate 1 when viewed from the front side of an outdoor unit

Outdoor unit for air conditioner

PROBLEM TO BE SOLVED: To provide an outdoor unit for an air conditioner carrying out miniaturization, preventing deterioration of air blowing performance due to miniaturization, and capable of carrying out noise reduction. SOLUTION: The outdoor unit for the air conditioner is provided with a bottom base 12, a heat exchanger 107 arranged in an upper part of the bottom base, a shroud 103 arranged facing the bottom base, and a blower having propeller fans 104 arranged so as to be surrounded by the shroud and a motor driving the propeller fans. When a protruding amount of the propeller fan from an uppermost position of the shroud is ht, and a height of the propeller fan is H, it is composed such that -0.2≤ht/H≤0.2. COPYRIGHT: (C)2008,JPO&INPIT

Outdoor unit for air conditioner, and air conditioner

PROBLEM TO BE SOLVED: To provide a centrifugal air blower and an air conditioner for reducing an electromagnetic vibration sound, having high reliability, reducing a cost, and superior air blowing performance. SOLUTION: This centrifugal air blower is provided with an impeller having a boss 2 provided with a motor rotary shaft installing hole 6, a hub 3 on the outer periphery of the boss 2, a plurality of blades 4 arranged in the circumferential direction on the surface of the hub 3, and a shroud 5 arranged on the side opposed to the hub 3 by sandwiching the blades 4, and a motor for fixing a motor rotary shaft to the boss 2, and rotating the impeller. A plurality of slits 8 are arranged in the circumferential direction between the boss 2 of the hub 3 and the blades 4.

Centrifugal air blower and air conditioner

PROBLEM TO BE SOLVED: To reduce noise and to save energy by reducing pressure loss of blown-off fluid of an indoor built-in type heat source unit. SOLUTION: This indoor built-in type heat source unit comprises a housing suction opening and a housing blow-off opening on the same side face of a housing 101. The inside of the housing is partitioned by a housing partitioning plate 115 into a housing suction-side space and a housing supply-side space, a centrifugal fan 107 is disposed in the housing suction-side space to blow off the air to the housing blow-off side space, fan blow-off openings 124, 125 are formed on the housing partitioning plate, a compressor 109 is disposed at an upstream side of the airflow of the centrifugal fan, and a heat exchanger 108 is disposed between the centrifugal fan and the compressor. Further a fluid partitioning plate 114 is disposed between a top face and a bottom face of the housing to guide the air blown off from the fan blow-off opening. COPYRIGHT: (C)2010,JPO&INPIT

哲志岸谷

Papers

Outdoor machine for air conditioner

Outdoor unit for air conditioner

Outdoor unit for air conditioner, and air conditioner

Centrifugal air blower and air conditioner

Indoor built-in type heat source unit

哲志 岸谷

Papers

Outdoor machine for air conditioner

Outdoor unit for air conditioner

Outdoor unit for air conditioner, and air conditioner

Centrifugal air blower and air conditioner

Indoor built-in type heat source unit

哲志岸谷