摘要:
A core section (10) of a condenser is formed such that a plurality of heat exchanging tubes (4), while being vertically arranged in multiple stages, are disposed between a pair of header pipes (2, 3). A reservoir tank (6) is joined to the header pipe (3). The header pipe (3) is communicatively connected to the reservoir tank (6) by a refrigerant passage of a connection member (40). The connection member (40) connects a portion of the header pipe (3) which is out of a joining portion of the header pipe (3) where it is joined to the reservoir tank (6) to a portion of the reservoir tank (6) which is out of a joining portion of the reservoir tank (6) where it is joined to the header pipe (3).
摘要:
A downstream side air passage (11) of a unit is partitioned into at least two or more independent small air passages with a plurality of partition plates (21,22) extending along an air flow direction. Doors (Dr,Dl,Db) are provided for the respective small air passages and the small air passages each can distribute air that is independently conditioned to desired temperatures within themselves.
摘要:
Reinforcement holes (11b) and tube holes (11a) are formed in header members (11) so as to be of the same size, and the interval (L') between the reinforcement hole (11b) and the tube hole (11a) adjacent to the reinforcement hole (11b) is made equal to the interval (L) between the adjacent tube holes (11a).
摘要:
During the course of bending and deforming a strip-shaped metal plate in multiple stages through use of a press roller, to thereby constitute a tube base having a closed cross section, slime-like flux is applied to solely the portions of the metal plate to be brazed, and the tube base is heated in a heating furnace, to thereby braze the portions to be brazed. Accordingly, waste of the flux is eliminated. Further, flux coating can be performed on a tube forming line, thus simplifying facilities.
摘要:
A molding roll (10) comprises a plurality of plate-like blades (11) having a same shape and including neighboring first blades and second blades respectively, the blades being laminated and center axes of the blades being positioned on the same line, the blades having convex portion forming regions which are formed continuously every constant pitch angle at their outer peripheries, each of the convex portion forming regions constituting one of a roll ridge portion and a roll root portion, the roll ridge portion being protruded outward to form one of the first convex portion and the fourth convex portion, the roll root portion becoming depressed inward to form one of the second convex portion and the third convex portion, the second blades being positioned to be shifted by an integral multiple of the pitch angle relative to the first blades, neighboring convex portion forming regions being aligned along the center axes when the blades are laminated, laminated blades having first columns, which consist of roll ridge portions constituting the first convex portions and roll root portions constituting the third convex portions and are aligned along the center axes, and second columns, which consist of roll root portions constituting the second convex portions and ridge root portions constituting the fourth convex portions and are aligned along the center axes, the first columns and the second columns being arranged alternatively along a peripheral direction of the blades; and a spacer provided between the first and second blades, the spacer creating a clearance to rise up the third convex portions and the fourth convex portions.
摘要:
A generally spherical sleeve (12) is axially slidably disposed on the drive shaft of a variable displacement compressor, a journal (14) is disposed on the sleeve, and a swash plate is tightly disposed on the journal. For achieving a reliable pivotal movement of the journal (14) relative to the sleeve, first and second parallel flat surfaces (250,256) are provided at diametrically opposed portions of the sleeve. Third and fourth parallel flat surfaces (300,306) are formed on diametrically opposed portions of an inner wall of a generally cylindrical bore defined in the journal (14). The sleeve is disposed in the generally cylindrical bore of the journal in such a manner that the first and second parallel flat surfaces slidably abut against the third and fourth parallel flat surfaces respectively. Pins (130,136) are used for connecting the sleeve and the journal to permit the pivotal movement of the journal relative to the sleeve on flat instead of curved surfaces in conventional compressors.
摘要:
A variable displacement compressor in a refrigeration cycle of an air conditioning system for an automotive vehicle has a swash plate (17) provided for converting a rotary movement of the drive shaft into a linear motion of the pistons. The swash plate is fixedly mounted on the boss section (15) of the journal (14) and has an internal thread (18) which is engaged with the external thread (16) of the boss section. The swash plate includes a generally cylindrical thick central section (25) having the internal thread, and a peripheral section (26) integral with the central section and having an axial dimension smaller than the central section. A plurality of tool engaging grooves (27) are formed at least in the central section and located concentrically on the rear side (S1) surface of the swash plate. Additionally, a plurality of seat projections (28) are formed on the opposite surface (S2) to provide for sufficient cross section for the machining of the grooves.
摘要:
In an integral type heat exchanger, first and second radiator tanks (31,33) is opposed to each other, and first and second condenser tanks (25,27) opposed to each other. The first radiator tank (31) is adjacent to the first condenser tank (25), and the second radiator tank (33) is adjacent to the second condenser tank (27). A core section (29) is arranged between the first and second radiator tanks (31,33) and between the first and second condenser tanks (25,27) so as to be common between the radiator tanks and condenser tanks. A cooling water flows from the first radiator tank (31) into the second radiator tank (32) through the core section (29) in one direction, and a refrigerant flows between the first (25) and second condenser tanks (27) through the core section (29) repeatedly. And a final flowing direction of the refrigerant conforms with a flowing direction of the cooling water.
摘要:
An integrated heat exchanger includes a radiator (23) having a core (29A) formed between a pair of radiator tanks (31,33), a condenser (21) adjoining the radiator (23) and having the core (29) formed between a pair of condenser tanks (25,27), and a corrugated fin (39) provided in the core (29) and shared between the radiator (23) and the condenser (21), the heat exchanger containing first partitions (41,43,45) which divide the inside of the pair of condenser tanks (25,27) to thereby create fluid chambers on one side of the respective condenser tanks (25,27) in such a way as to become opposite to each other; and a fluid inflow pipe (57) and a fluid outflow pipe (59) connected to the fluid chamber of the condenser tanks (25,27).
摘要:
A generally spherical sleeve (12) is axially slidably disposed on the drive shaft of a variable displacement compressor, a journal (14) is disposed on the sleeve, and a swash plate is tightly disposed on the journal. For achieving a reliable pivotal movement of the journal (14) relative to the sleeve, first and second parallel flat surfaces (250,256) are provided at diametrically opposed portions of the sleeve. Third and fourth parallel flat surfaces (300,306) are formed on diametrically opposed portions of an inner wall of a generally cylindrical bore defined in the journal (14). The sleeve is disposed in the generally cylindrical bore of the journal in such a manner that the first and second parallel flat surfaces slidably abut against the third and fourth parallel flat surfaces respectively. Pins (130,136) are used for connecting the sleeve and the journal to permit the pivotal movement of the journal relative to the sleeve on flat instead of curved surfaces in conventional compressors.