Abstract: A reciprocating compressor and, more particularly, an assembly arrangement between the head cover and the outlet pipe of the suction acoustic filter of the said compressor are disclosed. This arrangement occurring through ribs arranged in a housing space and an outlet pipe, and with the application of a pressure fastener. Said assembly arrangement being robust, maintaining adequate thermal and acoustic properties of the compressor.

Abstract: The present invention pertains to the technological field of cooling compressors and, more specifically, relates to an anti-flame protection arrangement for the electrical connections of said cooling compressor. Problem to be solved: Ensure end-user safety of the compressor through a simple and inexpensive solution and preventing the maintenance and/or propagation of flames/fire in the region of the chamber defined by the protective cover of the electrical connections external to the compressor housing. Problem resolution: Accordingly, it is provided a cooling compressor including a protection arrangement for electrical connections integrated by a protective cover defining an electrical connections chamber external to the housing, the protective cover being physically associated with an anti-flame body, which defines a sealing portion, preferably making the electrical connections chamber hermetic in relation to an external environment.

Abstract: The present invention pertains to the technological field of cooling compressors and, more specifically, relates to an anti-flame protection arrangement for the electrical connections of said cooling compressor. Problem to be solved: Ensure end-user safety of the compressor through a simple and inexpensive solution and preventing the maintenance and/or propagation of flames/fire in the region of the chamber defined by the protective cover of the electrical connections external to the compressor housing.

Abstract: The present invention refers to an acoustic filter for reciprocating compressor and, in special, a suction acoustic filter containing at least one inlet pipeline (21), at least one outlet pipeline (22), and at least one intermediate pipeline (42). Said acoustic filter (1) comprises at least two horizontal chambers (5, 6), wherein said chambers are interconnected by an intermediate pipeline (42), which has a superior portion (421) with a length that is equivalent to approximately 75% to 98% of the height of the first horizontal chamber (5) and an inferior portion (422) with a length that is equivalent to approximately 45% to 80% of the height of the second horizontal chamber (6).

Abstract: The suction arrangement of the present invention is for a hermetic compressor of the type which includes a hermetic shell; a cylinder block defining, in a single piece, a shell portion and a compression cylinder having an end opened to the exterior of the hermetic shell and closed by a valve plate; a head affixed to the cylinder block onto the valve plate so as to define, with the latter, at least one suction chamber receiving refrigerant gas from a gas inlet pipe external to the hermetic shell. The suction arrangement of the present invention comprises a gas inlet duct defined through the shell portion and through the valve plate and having an outer end hermetically coupled to the gas inlet pipe and an inner end opened to the suction chamber.

Abstract: The present invention refers to an acoustic filter for reciprocating compressor and, in special, a suction acoustic filter containing at least one inlet pipeline (21), at least one outlet pipeline (22), and at least one intermediate pipeline (42). Said acoustic filter (1) comprises at least two horizontal chambers (5, 6), wherein said chambers are interconnected by an intermediate pipeline (42), which has a superior portion (421) with a length that is equivalent to approximately 75% to 98% of the height of the first horizontal chamber (5) and an inferior portion (422) with a length that is equivalent to approximately 45% to 80% of the height of the second horizontal chamber (6).

Abstract: A hermetic compressor, comprises: a hermetic shell (1); a cylinder block (2) defining, a shell portion (Ia) and a compression cylinder (3) having an end (3a) opened to the exterior of the hermetic shell (1) and closed by a valve plate (5); a head (6) affixed to the cylinder block (2), over the valve plate (5) so as to define, with the latter, at least one discharge chamber (10). The cylinder block (2) incorporates a tubular projection (20) surrounding the valve plate (5) and at least part of the head (6). An outer cover (30) is hermetically affixed to the tubular projection (20) for defining therewith a discharge plenum (31) in fluid communication with the discharge chamber (10), the tubular projection (20) or the outer cover (30) being provided with a refrigerant gas outlet (40) opened to the exterior of the hermetic shell (1).

Abstract: The present invention refers to a compressor block (21), which has at least one passage opening of driving member (22), at least one frontal of support (24a) and at least one portion (26), so that at least one first and one second means of structural connection between the portion (26) and the frontal extensions of support (24a) are defined by at least one structural wall (28a) and at least one wall structure (28b). The structural walls (28a, 28b) define the main perimeter of the compressor block (21) and are provided with at least one section of physical association between each other.

Abstract: The invention refers to a linear compressor, comprising: a shell (20); a cylinder (30) affixed to the shell (20) and defining a compression chamber (C); a piston (40) to be displaced in reciprocating movement in the interior of the compression chamber (C) during the operation of the compressor; a linear electric motor (50) mounted to the shell (20); and an actuating means (60) operatively coupling the piston (40) to the linear electric motor (50), in order to make the latter displace the piston (40) in a reciprocating movement in the interior of the compression chamber (C), the actuating means (60) being coupled to the piston (40) by an elastic means (70), so that the actuating means (60) and the piston (40) be displaced in phase opposition during the operation of the compressor.

Abstract: The suction arrangement of the present invention is for a hermetic compressor of the type which includes a hermetic shell; a cylinder block defining, in a single piece, a shell portion and a compression cylinder having an end opened to the exterior of the hermetic shell and closed by a valve plate; a head affixed to the cylinder block onto the valve plate so as to define, with the latter, at least one suction chamber receiving refrigerant gas from a gas inlet pipe external to the hermetic shell. The suction arrangement of the present invention comprises a gas inlet duct defined through the shell portion and through the valve plate and having an outer end hermetically coupled to the gas inlet pipe and an inner end opened to the suction chamber.

Abstract: Discharge valve arrangement applied in a hermetic compressor used, for example, in household refrigeration systems including a valve plate closing an end of a compression cylinder and provided with suction and discharge orifices contained within the inner contour of the axial projection of the compression cylinder, said suction orifice occupying an annular sector external to the axial projection of a discharge orifice and being closed by a flexible suction vane having a bending median portion. The valve plate is provided with a plurality of discharge orifices distributed in at least one of the regions defined externally and internally to the contour of the flexible suction vane, each discharge orifice provided internally to the contour of the flexible suction vane being axially aligned with a respective through opening provided in said bending median portion.

Abstract: The invention is applied to a compressor comprising: a cylinder block (10) provided with a radial bearing (11) and an axial bearing (12); an eccentric shaft (20) having an upper end extension (21), around which a rotor (30) is mounted and supported on the axial bearing (12). A sliding ring (40) is mounted around said upper end extension (21), which is provided with an indexing means (22) to which is coupled a positioning means (42) of the sliding ring (40), rotatively locking the latter to the eccentric shaft (20). The mounting process comprises the steps of: mounting the eccentric shaft (20) in the radial bearing (11); descendingly mounting the sliding ring (40) around the upper end extension (21) of the eccentric shaft (20), until reaching an axial positioning stop (22c) therein, rotationally locking the sliding ring (40) to the eccentric shaft (20); and mounting the rotor (30) to the eccentric shaft (20) until seating a lower face portion (32) of the rotor (30) on the sliding ring (40).

Abstract: A hermetic compressor, comprises: a hermetic shell (1); a cylinder block (2) defining, a shell portion (Ia) and a compression cylinder (3) having an end (3a) opened to the exterior of the hermetic shell (1) and closed by a valve plate (5); a head (6) affixed to the cylinder block (2), over the valve plate (5) so as to define, with the latter, at least one discharge chamber (10). The cylinder block (2) incorporates a tubular projection (20) surrounding the valve plate (5) and at least part of the head (6). An outer cover (30) is hermetically affixed to the tubular projection (20) for defining therewith a discharge plenum (31) in fluid communication with the discharge chamber (10), the tubular projection (20) or the outer cover (30) being provided with a refrigerant gas outlet (40) opened to the exterior of the hermetic shell (1).

Abstract: The arrangement is applied to a reciprocating compressor comprising a reciprocating piston and a driving rod having one end coupled to a driving means and an opposite end cooperating with a joint pin mounted to the piston, and carrying one coupling longitudinal extension fitted in the joint pin and there retained so that the driving rod displaces the piston in its suction stroke. The joint pin is coupled to the piston during the compression stroke along a longitudinal extension of the side surface of the joint pin larger than the difference between the total longitudinal extension of the latter and the height of the opposite end of the driving rod.

Abstract: The invention refers to a linear compressor, comprising: a shell (20); a cylinder (30) affixed to the shell (20) and defining a compression chamber (C); a piston (40) to be displaced in reciprocating movement in the interior of the compression chamber (C) during the operation of the compressor; a linear electric motor (50) mounted to the shell (20); and an actuating means (60) operatively coupling the piston (40) to the linear electric motor (50), in order to make the latter displace the piston (40) in a reciprocating movement in the interior of the compression chamber (C), the actuating means (60) being coupled to the piston (40) by an elastic means (70), so that the actuating means (60) and the piston (40) be displaced in phase opposition during the operation of the compressor.

Abstract: A compact compressor comprising a first tubular housing portion; a second tubular housing portion having a first end region open to the first tubular housing portion and a second end region defining a compression chamber and housing a piston; an electric motor carried by the first tubular housing portion; a driving means connecting the piston to the electric motor; a valve plate seated against the second end region of the second tubular housing portion; and an end cover fixed to the second tubular housing portion and acting against the valve plate and providing, internally and through the valve plate, fluid communications between the compression chamber and the suction line and discharge line of a refrigeration circuit to which the compressor is coupled.

Abstract: An electric connector for the motor of a hermetic compressor and its manufacturing process, said motor carrying in the stator (6) thereof a female connector (10) for electric connection and being mounted inside a shell (1) to which is affixed a power inlet plug (8) for connection to an external current supply source, said connector comprising an electric insulating body to be engaged to the female connector (10) and carrying: a plurality of binding posts (31) connecting and affixing a first end portion (21) of each respective conductor (20), which has a second end portion (22) to be connected to a power inlet plug (8) of the shell (1); and fixation means to be fitted into engagement receiving means provided in the female connector (10), in order to immobilize said parts against relative movements, said male connector (30) being obtained by over-injecting insulating material to each first end portion (21) of each conductor (20) connected to the insulating body of the male connector (30), in order to immobilize

Abstract: An electric connector for the motor of a hermatic compressor, comprising an electric insulating body seated against the stack of lamination (6) of the stator of the electric motor, and carrying a plurality of binding posts (22), which receive and affix respective wires from the coil windings (7) of said stator of the electric motor; contact terminals, eletrically connected to the binding posts (22), and which will be connected to the hermetic compressor, by respective conductors (30); and at least one fixation means (23), which is fitted and immobilized in a retaining bore (11) provided in the stack of lamination (6) of the stator.

Abstract: An electric connector for the motor of a hermatic compressor, comprising an electric insulating body seated against the stack of lamination (6) of the stator of the electric motor, and carrying a plurality of binding posts (22), which receive and affix respective wires from the coil windings (7) of said stator of the electric motor; contact terminals, eletrically connected to the binding posts (22), and which will be connected to the hermetic compressor, by respective conductors (30); and at least one fixation means (23), which is fitted and immobilized in a retaining bore (11) provided in the stack of lamination (6) of the stator.