Heremetic refrigeration compressor

Claim 2

In a hermetic refrigeration compressor of the type having a closed housing with a suction gas inlet and a compressed gas outlet therefrom, a compressing mechanism mounted in the housing and having an output which is coupled to the housing outlet, and an electric motor also mounted within the housing and coupled to drive the compressing mechanism and where the compressing mechanism is spring mounted, the improvement comprising: guide means within said housing for guiding during operation at least a major part of the suction gas from the housing suction gas inlet to and through the electric motor prior to the flow of such gas to the compressing mechanism, and said guide means including a flexible gas transfer coupling for absorbing vibration and movement; said guide means includes a flexible sleeve as said gas transfer coupling, and a shroud over said motor, which shroud is connected to said sleeve and to the compressing mechanism to substantially enclose said motor, whereby the electric motor is cooled during operation by the suction gas.

Claim 3

The improvement as defined in claim 1, for a generally vertically disposed hermetic refrigeration compressor, wherein: said flexible sleeve is mounted generally vertically and coupled with the housing suction gas inlet for telescopic motion therewith in response to vertical motion of said sprung compressing mechanism.

Claim 4

The improvement as defined in claim 2, wherein: said flexible sleeve is of a hollow cylindrical configuration and is constructed of an oil and refrigerant resistant elastomer.

Claim 5

A hermetic refrigeration compressor for an air conditioning refrigeration system comprising, in combination: a housing (10) in the form of a closed and sealed shell having a suction gas inlet (16) and a compressed gas outlet (200); an electric motor (24) comprising a rotor (36) and stator (34), mounted within said housing; a compressing mechanism (18) of the positive displacement type within said housing and having a driven crank shaft (28) which is driven by the rotor of said motor, a compressed gas outlet coupled to said housing outlet and a suction gas inlet; a plurality of spring mounts (70) for mounting saiD compressing mechanism and said motor within said housing; and a conduit (210, 211) disposed within said housing between said housing inlet and said compressing mechanism and enshrouding said motor, said conduit serving to guide, during operation, suction gas from said housing inlet to said motor; said compressing mechanism and said conduit being cooperatively disposed so as to have said compressing mechanism''s gas inlet as well as passageways to the volume between said compressing mechanism and said housing beyond said motor so that the flow of gas to said compressing mechanism''s gas inlet and to said volume is through said motor; whereby said motor may be cooled by the suction gas from the housing inlet.

Claim 6

A hermetic refrigeration compressor for an air conditioning refrigeration system comprising, in combination: a housing (10) in the form of a closed and sealed shell having a suction gas inlet (16) and a compressed gas outlet (200); an electric motor (24) comprising a rotor (36) and stator (34), mounted within said housing; a compressing mechanism (18) of the positive displacement type within said housing and having a driven crank shaft (28) which is driven by the rotor of said motor, a compressed gas outlet coupled to said housing outlet and a suction gas inlet; a plurality of spring mounts (70) for mounting saiD compressing mechanism and said motor within said housing; and a conduit (210, 211) disposed within said housing between said housing inlet and said compressing mechanism and enshrouding said motor, said conduit serving to guide, during operation, suction gas from said housing inlet to said motor; said compressing mechanism and said conduit being cooperatively disposed so as to have said compressing mechanism''s gas inlet as well as passageways to the volume between said compressing mechanism and said housing beyond said motor so that the flow of gas to said compressing mechanism''s gas inlet and to said volume is through said motor; whereby said motor may be cooled by the suction gas from the housing inlet.

Claim 7

A hermetic refrigeration compressor for an air conditioning refrigeration system comprising, in combination: a housing (10) in the form of a closed and sealed shell having a suction gas inlet (16) and a compressed gas outlet (200); an electric motor (24) comprising a rotor (36) and stator (34), mounted within said housing; a compressing mechanism (18) of the positive displacement type within said housing and having a driven crank shaft (28) which is driven by the rotor of said motor, compressed gas outlet coupled to said housing outlet and a suction gas inlet; a plurality of spring mounts (70) for mounting said compressing mechanism and said motor within said housing; and means (210) for guiding suction gas from said housing inlet to and through said motor; said compressing mechanism and said guide means being cooperatively disposed so as to have said compressing mechanism''s gas inlet as well as passageways to the volume between said compressing mechanism and said housing positioned substantially downstream of said motor; said compressing mechanism and said motor are mounted in a generally vertical array; said spring mounts are connected about the interior walls of said housing in a vertical array; said housing suction gas inlet is in the upper part of said housing; said electric motor is mounted atop of said compressing mechanism; said guide means includes: a generally dome shaped shroud (38) affixed to said compressing mechanism, covering said motor, and having an opening defined in the top thereof; a flexible sleeve (220) affixed to said shroud at its said top opening and communicating the interior of said shroud with said suction gas inlet; and said suction gas inlet having a mating surface (221) for receiving in a vertical telescopic manner said flexible sleeve, whereby said motor may be cooled by the suction gas from the housing inlet.

Claim 8

A hermetic refrigeration compressor for an air conditioning refrigeration system comprising, in combination: a housing (10) in the form of a closed and sealed shell having a suction gas inlet (16) and a compressed gas outlet (200); an electric motor (24) comprising a rotor (36) and stator (34), mounted within said housing; a compressing mechanism (18) of the positive displacement type within said housing and having a driven crank shaft (28) which is driven by the rotor of said motor, compressed gas outlet coupled to said housing outlet and a suction gas inlet; a plurality of spring mounts (70) for mounting said compressing mechanism and said motor within said housing; and means (210) for guiding suction gas from said housing inlet to and through said motor; said compressing mechanism and said guide means being cooperatively disposed so as to have said compressing mechanism''s gas inlet as well as passageways to the volume between said compressing mechanism and said housing positioned substantially downstream of said motor; said compressing mechanism and said motor are mounted in a generally vertical array; said spring mounts are connected about the interior walls of said housing in a vertical array; said housing suction gas inlet is in the upper part of said housing; said electric motor is mounted atop of said compressing mechanism; said guide means includes: a generally dome shaped shroud (38) affixed to said compressing mechanism, covering said motor, and having an opening defined in the top thereof; a flexible sleeve (220) affixed to said shroud at its said top opening and communicating the interior of said shroud with said suction gas inlet; and said suction gas inlet having a mating surface (221) for receiving in a vertical telescopic manner said flexible sleeve, whereby said motor may be cooled by the suction gas from the housing inlet.

Claim 9

In a hermetic refrigeration compressor of the type having a closed housing with a suction gas inlet and a compressed gas outlet therefrom, a compressing mechanism mounted in the housing and having an output which is coupled to the housing outlet, and an electric motor also mounted within the housing and coupled to drive the compressing mechanism and where the compressing mechanism is spring mounted, the improvement comprising: a conduit mounted between said input and said compressing mechanism and enshrouding said motor, for guiding, during operation, suction gas from the housing suction gas inlet to and through the motor prior to the flow of such gas to the compressing mechanism, and said conduit including a sleeve and a shroud over said motor, which shroud is connected to said sleeve and to the compressing mechanism, and which sleeve and shroud are connected together in a manner allowing for telescopic movement therebetween, whereby the electric motor is cooled during operation by the suction gas.

Claim 10

In a hermetic refrigeration compressor of the type having a closed housing with a suction gas inlet and a compressed gas outlet therefrom, a compressing mechanism mounted in the housing and having an output which is coupled to the housing outlet, and an electric motor also mounted within the housing and coupled to drive the compressing mechanism and where the compressing mechanism is spring mounted, the improvement comprising: a conduit mounted between said input and said compressing mechanism and enshrouding said motor, for guiding, during operation, suction gas from the housing suction gas inlet to and through the motor prior to the flow of such gas to the compressing mechanism, and said conduit including a sleeve and a shroud over said motor, which shroud is connected to said sleeve and to the compressing mechanism, and which sleeve and shroud are connected together in a manner allowing for telescopic movement therebetween, whereby the electric motor is cooled during operation by the suction gas.