Abstract: In an axial piston compressor for a refrigerant, in particular for a vehicle air conditioner, with a housing (12) in the interior of which is disposed at least one bearing (22, 24, 26, 48, 56, 58, 60, 64), with an output conduit (34) for the compressed refrigerant, and with a lubricant that is present in the interior of the housing (12), the lubrication is to be improved. For this purpose there is provided in the housing at least one lubricant channel to conduct lubricant to the bearing, as well as a lubricant separator (36) that is connected to the output conduit (34) for the refrigerant and incorporates a collection chamber (40) that contains the lubricant separated from the compressed refrigerant and is connected to the lubricant channel (46) by a feed line (42), such that the lubricant is propelled out of the lubricant separator and into the lubricant channel entirely on the basis of the pressure difference between the compression pressure of the lubricant and the interior pressure of the housing.

Abstract: A casing 1 of an automotive air conditioner is formed with a recess 12 for accommodating a steering member S extending in a right-left direction of a vehicle. The casing 1 is divided into an instrument panel-side part Rp and a fire panel-side part Fp with the recess 12 as a boundary.

Abstract: A heat exchanger provided with tubes 210 through which a medium flows and tanks 300 to which the ends of the tubes are connected to perform heat exchange of the medium with heat conducted to the tubes, wherein the tanks each provided with an end plate 320 having holes 321 for connection of the ends of the tubes and a tank plate 310 to which the end plate is fitted; and when it is assumed that a cross section of the tank in its longitudinal direction has a passage area X and a total wetted perimeter length Y for the medium, they have a relationship of X=a·Y2/4 ? and 0.9?a<1.0.

Abstract: A heat exchanger for performing heat exchange of a medium by heat conducted to tubes (210) and fins (220), the heat exchanger is configured by assembling the tubes, the fins, tanks (300) and a connector (400) and heating them in a furnace to be brazed into one body, wherein the connector is made of aluminum or its alloy and has a seating face to be brazed to the outer surface of the tank, and when it is determined that the connector has a surface area of X [cm2] and a volume of Y [cm3], they have a relation of X?1.5·(36?Y2)1/3, Y?30.

Abstract: According to the present invention, a blower/evaporator housing case is provided for housing side-by-side a blower that is rotated by a motor and creates an air flow and an evaporator linked with coolant pipes through which a coolant flows in and out so as to completely prevent leakage of condensed water which collects at the evaporator of an automotive air-conditioning system and also to simplify the structure of a locking device used to lock an expansion valve at the evaporator. The blower/evaporator housing case is constituted of two recessed members, i.e., an upper recessed member and a lower recessed member, set on the two sides of a parting line extending along the horizontal direction. The locking device used to lock the expansion valve is formed at joint portions at the edges of the upper and lower recessed members constituting the blower/evaporator housing case.

Abstract: A reciprocating refrigerant compressor includes a cylinder block having a cylinder bore, and a compression chamber defined within the cylinder bore. A cylinder head has a low-pressure chamber for receiving refrigerant gas to be drawn into the compression chamber, and is coupled to one end face of the cylinder block. A valve plate is arranged between the compression chamber and the low-pressure chamber, and includes an inlet port for guiding the refrigerant from the low-pressure chamber into the compression chamber. An inlet valve opens and closes the inlet port and has an end whose shape is adapted to a shape of the inlet port. The shape of the inlet port is non-circular, and a portion of an opening edge of the inlet port protrudes into the inlet port. Tangential lines drawn from the protruding portions intersect the opening edge of the inlet port at at least two points.

Abstract: The invention relates to a subassembly, consisting of a drive shaft (12), a housing (10) with a through-bore (19), through which the drive shaft projects out of the housing and an axial mechanical seal consisting of a rotating seal ring (22) and a counter-ring (20) which forms a seal between the drive shaft (12) and housing (10) components. The invention aims to improve the assembly of the axial mechanical seal and the thermal dissipation from said mechanical seal. To this end, the counter-ring (20) is configured as one single piece with one of the two components (10, 12). This obviates a separate assembly of the counter-ring and allows the heat produced by friction to be dissipated directly into one of the two components.

Abstract: A tube for a heat exchanger which has beads (21) formed on a brazing sheet (B) for configuring a tube (2) and tops of the beads brazed with opposed portions within a tube part (20) and a method for manufacturing the tube. The tube part (20) prior to brazing is determined to have a thickness (t′) larger than a predetermined thickness (t) and compressed in a direction of its thickness when it is brazed, and the tube which has tops of the beads crushed against or lodged in opposed portions within the tube part. Also a method for manufacturing the tube which can braze the tops of the beads with the opposed portions within the tube more securely and firmly than before.

Abstract: The invention relates to an axial piston displacement compressor, comprising a drive shaft (12), a disc (14) which is mounted on the drive shaft in such a way, that it can be pivoted about a pivotal axis (C) and at least one piston (18) which is provided with sliding blocks (20) that slide on a runway on the disc (14). The invention aims to reduce the maximum effective surface pressure between the disc (14) and the sliding blocks (20). To this end, the pivotal axis (C) of the disc (14) is located eccentrically in relation to the central plane of the disc.

Abstract: A swash plate compressor includes a cylinder block, a shaft rotatably supported in a central portion of the cylinder block a swash plate which rotates along with rotation of the shaft a crankcase for retaining the swash plate, and pistons each connected to the swash plate and sliding in a corresponding one of the cylinder bores as the swash plate rotates. Each of the pistons includes a hollow cylindrical portion for sliding within the cylinder bore and a bridge for rollably supporting the pair of shoes. The bridge projects radially outward with respect to the hollow cylindrical portion. The cylinder block is formed with a projecting portion projecting from a central portion of a front end face thereof toward the crankcase, within a range limited such that the projecting portion does not interfere with the connecting portion.

Abstract: A heat exchanger has a connector (7) for connecting a receiver tank (4) brazed to a header pipe (3) and the receiver tank (4) connected to the connector (7) by male screw parts, wherein the connector (7) is formed to have a brazing face (7a) against the header pipe (3) narrower than a mating face (7b) against the receiver tank (4). The connector (7) has a plurality of holes (73), (73) into which a plurality of male screw parts are inserted or screwed, and the holes (73), (73) are formed symmetrically or substantially symmetrically on the brazing face (7a) against the header pipe (3) with respect to a straight line connecting the center of an outflow path (71) and that of an inflow path (72) on the mating face (7b) against the receiver tank (4). And, a groove (74) which divides the brazing face (7a) is formed between the inflow path (71) and the outflow path (72) on the brazing face (7a) against the header pipe (3).

Abstract: A rotary switch mechanism for an operation panel is designed such that the space on a printed board is ensured, the design of electronic parts on the printed board can be readily made, and the attachability of a switch is good. Drive pieces are arranged at predetermined intervals around the end of a rotary knob behind the operation panel, and a detection switch for detecting the passage and the direction of the passage of the drive pieces is disposed in or near the extent where the drive pieces move.

Abstract: A heat exchanger is comprising a core which is consisting of tubes provided with medium passages and fins fitted to the tubes, and tanks to which ends of the tubes are connected, wherein the tube (2) is formed to have a flat cross-sectional shape by joining ends of one or two plates, the ends of the plates have a contact portion which is formed by bending at least one of the plate ends a plurality of times and overlaying the one end on the other end, and the contact portion is provided with a joint portion (2c) which is formed by placing a part (2e) of the contact portion on the top or bottom flat surface and mutually engaging the both ends of the plate.

Abstract: A casing 1 of an automotive air conditioner is formed with a recess 12 for accommodating a steering member S extending in a right-left direction of a vehicle. The casing 1 is divided into an instrument panel-side part Rp and a fire panel-side part Fp with the recess 12 as a boundary.

Abstract: If a motor breaks down, an appropriate measure is taken according to the type pf the breakdown. If the breakdown is judged to be due to abnormal energization of the motor by electrical abnormality judgment means, a drive source for a hybrid compressor is secured while preventing an engine for traveling from stopping by compressor operation continuation means. If it is judged that the driven state of the motor is abnormal, the hybrid compressor is disconnected from the engine to protect the engine from mechanical abnormality of the hybrid compressor.

Abstract: The outer diameter &PHgr;d1 of a top face-side end portion 35 of pistons 7 is made slightly smaller than the outer diameter &PHgr;d0 of a hollow cylindrical portion 36 of the pistons 7 other than the top face-side end portion 35. Thus, the tilt load of a top face-side portion of the piston 7 is divided and distributed, and at the same time, lubricating oil is held at the top face-side end portion 35 of the piston 7.

Abstract: In order to provide an intercooler assuming a simple structure that enables cooling of supercharging air and absorption of any expansion/contraction of the cooling water pipe and the casing attributable to the heat of the supercharging air, intake/outlet pipes of a heat exchanger housed inside a cooling space formed within a case are inserted at cylindrical pipe insertion portions formed at the case, and any gap present between the intake/outlet pipes and the insertion portions are sealed by seal members each constituted of an elastic material formed in a staged cylindrical shape having a first cylindrical portion placed in complete contact with one of the pipe insertion portions and a second cylindrical portion placed in complete contact with either one of the intake/outlet pipes, which are also utilized to fit the heat exchanger in the case with a gap.

Abstract: A casing 1 of an automotive air conditioner is formed with a recess 12 for accommodating a steering member S extending in a right-left direction of a vehicle. The casing 1 is divided into an instrument panel-side part Rp and a fire panel-side part Fp with the recess 12 as a boundary S.

Abstract: In order to ensure that a braising material applied onto the surface of a header pipe does not enter communicating passages for coolant intake/outlet at a connecting block during the furnace braising process implemented to weld the connecting block utilized to connect a liquid tank to the header pipe, pipe-like projections are formed at the pair of communicating passages for coolant intake/outlet formed at the connecting block for liquid tank connection on the side where the header pipe is connected and the pipe-like projections inserted at holes of the header pipe clad with a braising material are welded to a condenser to constitute an integrated part thereof.

Abstract: In an air conditioning unit for an automotive vehicle, which is housed in a space defined by a vehicle panel 7 separating an engine room and a vehicle compartment from each other, an Instrument panel 5 arranged in the vehicle compartment, and a floor panel 6 arranged on a floor of the vehicle compartment, bracket portions 20 for supporting an audio unit 40 are integrally formed with a rear portion of a unit casing 10 in a front-rear direction of the vehicle, the unit casing 10 being located in a central portion of the vehicle in a left-right direction thereof. The bracket portions 20 have upper end fixing plates 31 thereof fixed to the Instrument panel 5 and lower end fixing plates 33 thereof fixed to the floor panel 6, by bolts or pins. Further, casing fixing plates 36 are fixed to a bracket 51 of a steering member 50 by bolts.