Abstract: A vehicle air-conditioning apparatus includes a case including an air passage therein and a filter arrangement area provided in the air passage for arranging a filter. The case includes a drain port provided on a bottom portion of a downstream-side air passage in the filter arrangement area; an insertion port provided on a side surface of the case and configured to allow insertion of the filter into the filter arrangement area a water receiving portion provided on a bottom portion of an upstream air passage in the filter arrangement area; a drain channel passing below the filter arrangement area and configured to introduce water from the water receiving portion to the drain port; and a waterproof wall that covers a lower corner portion on the insertion port side of an upstream-side boundary of the filter arrangement areas. The waterproof wall is increased in height toward the insertion port.

Abstract: [Task] In an electric scroll compressor which includes a housing member in which a motor fixing portion and an end plate are integrated with each other, and in which a thrust load of a swing scroll is supported by the end plate, deformation of the end plate decreases. [Solution] In an electric scroll compressor in which stator contact portions 61 which come into contact with a stator 41 of an electric motor 4 and stator non-contact portions 62 which do not come into contact with the stator are alternately disposed in a circumferential direction on an inner circumferential wall of a motor fixing portion 6a, a hole 63 is provided at a position of the end plate 6b corresponding to each of the stator contact portions 61 in an axial direction, and a disadvantage in which the end plate 6b is deformed due to the motor fixing portion 6a being deformed to increase the diameter, is prevented.

Abstract: The invention provides a vehicle air-conditioning apparatus comprising a blower unit including ; a scroll casing including a first wall having an intake port, a second wall opposing the first wall, and a peripheral wall; an impeller; a motor of the impeller; a blow-out flow channel; and a motor cooling air introduction chamber, wherein the motor cooling air introduction chamber is in communication with the blow-out flow channel via an air intake port opening in the peripheral wall of a tongue portion facing the blow-out flow channel at a position more closer to the first wall side than an inner wall surface of the second wall, and at least one airflow regulating rib facing the peripheral wall provided with the air intake port is provided, and the airflow regulating rib projects from the inner wall surface of the second wall and having a top portion in the blow-out flow channel.

Abstract: A movable contact point for an inhibiter switch includes a movable contact point that makes pressure contact with a fixed contact point is slid to cause the movable contact point and the fixed contact point to be connected and disconnected. The movable contact point comprises parallel side wall portions and a sliding portion that slides on the fixed contact point and that connects end portions of the side wall portions. Projecting portions that project in the sliding direction are provided in notch portions in the side walls, wherein the projecting portions abut against each other between the side wall portions in the sliding direction.

Abstract: To provide an expansion apparatus capable of reliably producing an effect of reducing refrigerant flow noise and a refrigerant cycle of a vehicle air conditioner using the expansion apparatus. In an expansion apparatus in which a valve body of a refrigerant flow rate adjustment mechanism is accommodated in a valve chest of a main body to which a refrigerant is led, a first narrow portion is provided between a lead-in passage and the valve chest, and a second narrow portion having a flow passage area smaller than that of the first narrow portion is provided between the valve chest and a lead-out passage, the valve chest is formed so as to have a space around the valve body and the first narrow portion is formed so as to face the space around the valve body, so that the refrigerant led to the valve chest from the first narrow portion flows toward the second narrow portion through the space around the valve body without passing through a coil spring.

Abstract: The invention provides a refrigerant compressor comprising a shaft (16) having an axial direction (A), a hub (14) mounted on the shaft (16) and an inertia disk (20), the inertia disk (20) being directly connected to the hub (14) in a torque-transmitting manner.

Abstract: The invention concerns an electrical connection device (5) for a compressor, the electrical connection device (5) comprising a connection block (7) for connection to an electric motor (2) of the compressor, a plurality of removable electrical connection elements (72) fitted in a triangle in said connection block (7) to engage with a connection terminal (6) of a control device (1) of said electric motor (2) and at least one electrically insulating element (8) removably mounted on the connection block (7) in such a way as to insulate the electrical connection elements (72) from a wall separating the control device (1) from the electric motor (2), said electrically insulating element (8) being configured to provide a stop for said electrical connection elements (72) when said connection block (7) is inserted into said electrically insulating element (8). The invention also concerns a compressor comprising such an electrical connection device (5).

Abstract: It is an object of the invention to provide a vehicle air-conditioning apparatus, in which measures to reduce a noise in an intake unit are implemented.

Abstract: A vehicle air conditioning apparatus in which a noise caused by burble is reduced is provided. The vehicle air conditioning apparatus includes: a case having an air channel in an interior thereof; a blower configured to supply blown air to the air channel, the case includes a cylindrical portion and an enlarged portion continued from the cylindrical portion on a downstream side and having a cross-sectional area larger than a cross-sectional area of the cylindrical portion, the enlarged portion includes a projecting wall having a wall surface projecting outward of the air channel, the projecting wall includes at least one projection projecting inward of the air channel, and a top portion of the projection is in contact with a side surface of an virtual cylinder, which is formed by extending the inner wall surface of the cylindrical portion in the virtually extended toward the downstream, or is provided on the projecting wall side with respect to the side surface of the virtual cylinder.

Abstract: Preventing high-voltage components which constitute an electric instrument stored in a case from being exposed, dropping out, or scattering to an outside from the case even when the case of an air-conditioning unit has a significant impact. Therefore, a vehicle air-conditioning unit is provided with a protecting structure for preventing the electric instrument from scattering.

Abstract: In a scroll compressor, breakage of a spiral end portion of a spiral wall (10c, 11c) of a scrolls is prevented. [Solving means] In a scroll compressor including: a fixed scroll (10) including an end plate (10a) and a spiral wall (10c) extending upright from the end plate (10a); an orbiting scroll (11) including an end plate (11a) and a spiral wall (11c) extending upright from the end plate (11a); and a drive shaft (8) configured to transmit a rotational power to the orbiting scroll (11), and configured to compress a compressed fluid by an orbital motion of the orbiting scroll (11), an extending portion (113) which does not come into contact with the spiral wall (10c) of the fixed scroll (10) is provided so as to extend from a spiral end portion (112), which corresponds to a terminal end of a wall surface (compression forming portion (111)) which forms a compression chamber (15) on a spiral wall (11c) of the orbiting scroll (11).

Abstract: An electromagnetic clutch includes a rotor, an armature plate that is disposed to face the rotor, an excitation coil that is accommodated on the inside of the rotor, and generates an attracting force attracting the armature plate onto the rotor, a temperature fuse that is disposed on the excitation coil side further than a side end surface of the rotor, and blocks the electric connection to the excitation coil when exceeding a predetermined temperature, an outer and inner magnetic blocking portion on the side end surface of the rotor, and an intermediate magnetic blocking portion in the armature plate in a position between the outer and the inner magnetic blocking portions, in which an annular groove is formed on the side end surface to include the inner magnetic blocking portion, and in which a friction member protruding from the side end surface is disposed in the annular groove.

Abstract: This printed circuit board (12) comprising: a first portion (20) having first electronic components (22) of which the earth electrode is on a first voltage source (14); a second portion (24) having second electronic components (26) of which the earth electrode is on a second voltage source (16); a switched-mode power supply circuit (34) of which one input is connected to the first portion (20) and of which at least one output is connected to the second portion (24), is characterized in that it comprises modification means (36) for modifying a switching frequency of the switched-mode power supply circuit (34) depending on data values (32) to be transmitted between the first portion (20) and the second portion (24), the said data being able to take at least two distinct values.

Abstract: To provide a vehicle air-conditioning unit that increases a volume of airflow delivered from a side vent opening in a foot mode, to effectively prevent fogging of windowpanes on right and left end sides. An air passage has: a first passage that guides hot air to a center vent opening, a side vent opening, and a defrost opening; and a second passage that is branched from the first passage and guides the hot air to a foot opening. A first door is arranged at a branched position of the air passage to the second passage, and a second door is arranged between the center vent opening and the defrost opening.

Abstract: Provided is a piston type compressor which can enhance cooling of internal parts housed in a crank chamber, while effectively reducing an outflow of oil to the outside of a compressor by effectively performing a centrifugal separating operation due to the rotation of a shaft. The compressor includes: a first suction path which directly introduces a working fluid flowed from a suction port 30 into suction chambers 27a, 27b without via the crank chamber 7; and a second suction path which introduces the working fluid flowed from the suction port 30 into the suction chambers 27a, 27b via the crank chamber 7, and the second suction path includes: an oil separation passage 32 where a working fluid is introduced into the suction chambers 27a, 27b from the crank chamber 7 via holes formed in the shaft; and a bypass passage 33 where the working fluid is introduced into the suction chambers 27a, 27b from the crank chamber 7 through the cylinder blocks 1, 2 without via the shaft 12.

Abstract: A refrigeration cycle 1 is constituted by joining at least a compressor 2, a condenser 3, a decompression and expansion device 4, and an evaporator 5 to each other by a pipe 6. The condenser 3 is formed of a condenser with a supercooling part including a condensing part 7 and a supercooling part 8. The refrigeration cycle 1 further includes an internal heat exchanger 25. A rate at which the supercooling part 8 occupies with respect to the whole condenser 3 is set to a value which falls within a range of 3% to 9% when the heat exchange efficiency of the internal heat exchanger 25 falls within a range of 25% to 75%.

Abstract: There is provided a multidirectional switch in which, when a knob in a neutral position is operated to be tilted with respect to a reference axis at the time the knob is in the neutral position, a pressing part positioned in an operating direction side of the knob moves in an axial direction of the reference axis to selectively close a switch element corresponding to the moved pressing part. The switch element and the pressing part respectively comprise four switch elements and four pressing parts that are respectively provided at intervals each having 90 degrees in the circumferential direction around the reference axis, and one pressing part is connected to another pressing part adjacent thereto in the circumferential direction around the reference axis by a flexible connecting element formed in a wave shape as viewed in a radial direction of the reference axis.

Abstract: Provided is a driving motor that will meet the requests of making the length of a rotating axis of the driving motor to be shorter in the axial direction, and which will also have waterproof, vibration resistance, and soundproof characteristics. In this driving motor (3); a motor interior-space (35) is formed by a housing (21) that has a first and second opening and which is formed to be cylinder shaped, and a flange (22) that blocks the second opening of this housing (21); and a stator assembly (18), a rotor assembly (20), a lower-side end section of the rotating axis (12) that has been placed lower than the flange (22) up until now, and a control circuit-board (19) are all made to be contained in this motor interior-space (35).

Abstract: A terminal/fuse assembly is fitted in a cylindrical, metallic inner case. The terminal/fuse assembly disposes a terminal penetrating through a bottom wall, a fuse and a contact point disc that overlap inside a housing composed of a plastic cover plate and a fuse box. The fuse is provided with a fuse body at a tongue piece extending inward from a ring portion in a peripheral edge of an elastic conductive plate. A part of the ring portion is supported in the upward position from the terminal. The contact point disc in contact with the elastic conductive plate at the support portion presses the fuse body downward, and thereby the tongue piece makes contact with the terminal to be conductive from the contact point disc to the terminal.

Abstract: Electrode sets each composed parallel electrode plates and a slider are arranged in a contact point accommodating chamber formed with wall portions of an upper case and a lower case. A lever of a knob penetrates through a slit hole in a ceiling wall. A tip end of the lever engages blocks in a box portion in the slider. The slider slides while an opening end surface of the box portion makes contact with a lower surface of the ceiling wall surrounding the slit hole. The slider presses a ball urged by a coil spring retained in the box portion press on a swing contact piece supported by a second of the electrode plates to roll thereon, thus switching a conducting state between the second electrode plate, and a first electrode plate and a third electrode plate.