CA1138647A - Air conditioner motor compressor isolation means - Google Patents
Air conditioner motor compressor isolation meansInfo
- Publication number
- CA1138647A CA1138647A CA000367238A CA367238A CA1138647A CA 1138647 A CA1138647 A CA 1138647A CA 000367238 A CA000367238 A CA 000367238A CA 367238 A CA367238 A CA 367238A CA 1138647 A CA1138647 A CA 1138647A
- Authority
- CA
- Canada
- Prior art keywords
- canopy
- compressor
- motor
- lines
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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- Compressor (AREA)
Abstract
9D-CC-14094-Johnson ABSTRACT OF THE DISCLOSURE
A heat pump split system type air conditioner having an indoor section and an outdoor section housing the system motor-compressor and a canopy isolating the compressor from the outside ambient. The canopy is provided with insulation that effectively retains heat generated by the operation of the motor-compressor while, at the same time, absorbs and reduces decibel level across the whole spectrum of frequency range.
A heat pump split system type air conditioner having an indoor section and an outdoor section housing the system motor-compressor and a canopy isolating the compressor from the outside ambient. The canopy is provided with insulation that effectively retains heat generated by the operation of the motor-compressor while, at the same time, absorbs and reduces decibel level across the whole spectrum of frequency range.
Description
~13~i47 '~ , BACKGROUND OF T~E INVENTION
.
This invention relates to the apparatus and method o~ prov~d-ing an acoustical and thermal insu~ating canopy for a motor-compressor unit of an air conditioning system. In split a~r conditioning systems, including an indoor and autdoor section, the outdoor sect~on whic~
includes the motor-compressor is generally mounted adjacent the structure to be conditioned. Accordingly, the noise output of the unit and, pr~marily, the frequency pulsations generated by the motor-compressor can be ob~ectionable to the occupants of the area to be conditioned.
Further, the heat generated from the operation of the motor-compressor is dissipated to the outdoor ambient. It has been recognized that, when the heat genera~ed by the operatin~ motor-compressor is maintained in the system, greater efficiency is attained. This is especially true in heat pumps wherein, during the heating cycle, the system generally lS operates at low ambient temperatures. This generated heat,~when retainedin the system, will ultimate~y be carried by the circulating refrigerant to the indoor coil and then be rejected.
SUM~RY OF THE INVENTION
It is an object of the invention to provide means for retaining heat generated by the operation of the motor compressor ~Jhile, at the same time, absorb and reduce decibel level across the whole spectrum of frequency range.
Another object of the lnvention is to provide a canopy that e~fectively isolates the motor compressor, both thermally and acousti-cally, and can be installed during manufacturing process without the useof special tools or other aids.
The air conditioner is of the split unit type and includes an indoor section having an indoor heat exchanger and air moving means for moving indoor air throu~h the heat exchanger and an outdoor section.
3n The outdoor section includes a housing having a hermetic compressor 113~64~7 shell arranged therein. The shell includes a motor-compressor that has a suction and discharge line and electrical line means connected thereto.
A removable and replaceable open end, bell-shaped canopy surrounds the compressor shell. 1nsulation surrounds subs~antially the entire inter~or wall area of the canopy so that the compressor is essentially thermally and acoustically insulated from the ambient.
The canopy includes slot means that extend from its open end that are dimensioned`to receive the suction, discharge and electric lines that may be attached to the compressor casin~. Cover portions are arranged to cover the slot means. The covers have sl~ts that allow passage of the lines and further include enlargements that accommodate the line when the canopy is arranged on the compressor shell.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a schematic view of a split system heat pump show-lS ing the indoor section and the outdoor section incorporating the presentinvention;
Figure 2 is an exploded perspective view showing the enclosure of the present invention relative to the motor-compressor;
Figure 3 is a sectional view taken along line 3-3 of Figure 1 showing certain details of the present invention; and Figure 4 is a view showing details of another embodiment of the invention.
DESCRIPTION OF THE PREFERRED ~lBODIrlENT
The present invention relates to a split system air condition-ing system, including an outdoor section 10 and an indoor section 12and, more particularly, to a means for isolating the motor-compressor unit 14 arranged in the outdoor section 10. By the present invention, as will be fully explained hereinafter, the motor-compressor 14 is isolated both the mally and acoustically.
113~4~
The outdoor section 10, which ~ncorporates the present in~en-tion, includes a cabinet 16 housing an outdoor heat exchanger coil 18, a fan 20 driven by a mntor 22, and the system motor-compressor 14. The refr~geration system components in the indoor unit comprise the indoor heat exchanger coil 24 and air handler 26, ~ncluding a blower 2~ for passing air through heat exchanger coil 24. The compressor (Figure 2) has dttached thereto a junction box 30 that includes the electric switching devices (not shown) for operating the motor-compressor 14.
The refrigeration system (Figure 1) may be of the heat pump bpe and may further include a reversing valve 32. When the system is of the heat pump type operating in the heating cycle, hot gaseous refrigerant from the discharge line 33 of the motor-compressor 14 flows through reversing valve 32 and line 35 to the indoor heat exchanger 24 now functioning as the system condenser. The hot gaseous refrigerant is lS desuperheated and conver~ed to liquid phase as heat is extracted by air moving through the heat exchanger. The liquid refrigerant then flows through an expansion device (not shown) line 37 to the outdoor coil 18 acting as the evaporator on the heating cycle and is passed in heat exchange relationship with a supply of air under influence of fan 20.
The latter heat exchange action causes the l~quid refrigerant to vaporize and flow as a gas back through reversing valve 32 and suction line 38 to the compressor 14 completing the cycle.
The refrigeration system, when operating as a heating means, requires that it function at relatiYely low outdoor ambient temperature.
The cooling effect of the relatively cold a~bient air on the refrigerant and the system components, such as motor-compressor, causes the tempera-ture of hot discharge sas to be lowered and, accordingly, lower the heating output of the indoor heat e~changer operating as a condenser.
; Generally, when installing split unit air conditioners, the 3n outdoor sections are positioned in close proximity to the exterior walls 113~647 of the enclosure to be cond~tioned so that a mtn~mum length of refrig-erant conduits ~s employed between the indoor and outdoor sections.
This positioning of the outdoor section adjacent the enclosure can - sometimes result in objectional no~se levels generated essentially by A S the operating motor-compressor ~a~ reaching the enclosure.
Accordingly, by the present invent~on, a canopy or enclosure is provided which serves to maintain the generated heat in the system and further serves to materially attenuate the undesirable noises acco~-panying compressor operation so that the sound issuing therefrom is relatively quiet or subdued, non-irritating and at an acceptable decibel level .
Referring to Figu-e 2, the compressor enclosure or canopy of the present invention is shown generally at 34 in association with the motor-compressor 14 and its associated junction box 30 of the air condi-tioning system. The motor-compressor, the detaiis of which are not a part of this invention, includes a motor and compressor unit (not shown) enclosed in the motor-compressor housing 36. It may be noted that refrigerant flow lines or conduits 33 and 38 for the transmiss~on of fluid to and from the motor-compressor 14 protrude from and are con-nected to the housin~ 36. Protruding from the junction box 30 attached to the housing 36 is an electrical conduit or line 40, the lines being accessible from the exterior of the enclosure 34, as shown in Figure 1.
The enclosure 34 is removably arranged on the moto~-compressor housing 36 and, by the present invention, means and a method of mounting the enclosure on the motor-compressor are provided.
The motor-compressor enclosure 34 consists essentially of one major component, a generally bell-shaped canopy 42 dimensioned to enclose the housing 36 and junction box 30. Fonmed along the open end of the canopy 42 is a flange 45 through which it may be secured to the f100r of cabinet 16. In the present embodiment, the canopy is constructed of A8S
- polymer, but other materials may be employed. Substantially, all of the 113~647 interior wa11 surface of the canopy 42 is covered with an ~nsulat1ng material 60 that acoustically and thermally isolates the inter~or of the canopy 42 from the outside amb~ent. The insulation 60 effectively isolates against and absorbs and reduces decibel levels across the whole S spectrum of frequency ran~e. The insulation 60, as shown in Fi~ure 2, consists of a laminate having a first layer of mastic 62 arranged against the walls of canopy 42 that absorbs low frequency noises and consists of an asphalt base having a diversity of 1 lb. per sq. ft. and a second layer of fiber glass 64 which absorbs high frequency noises and provides thermal insulatfon.
Means are provided in the canopy 42 to accommodate the refrig-erant lines 33 and 38 and the electrical line 40 when it is in place over the motor-compressor, as shown in Figure 1. To this end, the canopy is provided with slots 44 and 46. The slot 44 accommodates the lines 33 and 38 which, in the present embodiment, are substantially in vertical alignment so that the single slot is sufficient for both lines, with the line 40 being accommodated in slot 46. It may be noted that, while in the present embodiment shown, two slots are provided, the exact configuration and number of slots are dependent on the design of the particular motor-compressor being isolated.
Further, the size of the slots 44 and 46 is substantially larger than the diameter of the lines 33, 38 and 40, respectively, so that lines of varying diameters may be accommodated. Means are provided for sealing the slots 44 and 46; accordingly, cover portions 48 and 50 are arranged over the slots 44 and 46, respectively. The covers are secured to the canopy by an adhesive; however, any suitable means, such as by screws 52 shown in Fi~ure 4 may be employed. The covers may be constructed of any suitable materia1 that allows flexing to yieldably receive the lines as the canopy is placed over the motor-compressor. In the preferred embodiment, as shown in Figures 1-3 t each cover portion 1~3~6~7 ~s made of two pieces 66 and 68 that are dimensioned to overlap to lnsure a seal at the split area. In order to accommodate the respective lines 33, 38 and 40, there are provided on the cover members 48 and 50 enlargements or lateral slots 56 at each separation edge on both sides of the parting line 54. ~he slots 56 on pieces 66 are deeper laterally than the cooperating slots 56 on pieces 68 so that a substan-tial area overlaps; This overlapping provides a curtain effect such that the enclosure or canopy can sit cver the refrigerant and electr~cal lines extending ~rom the compressor without the use of tools or other hardware. The members 66 and 68 yield to allow passage of the lines, then fold back into the overlap position shown in Figure 3 and form an acoustical seal.
the covers 48,50 may be of one-piece construction 69, as shown in the embodiment of Figure 4, and be provided with splits or separation parting lines 54 whose edge portions are in abutting relationship.
Means are further provided at points along the parting lines 54, such as fastening or holding tabs 58, to maintain the two parting line edges of the cover portion in ~inm contact to thereby complete the sealing of the motor-compressor from the outside ambient.
The first step in assembling the canopy, relative to the motor-co~pressor, is to insure that the insulation laminate 60 and cover portions 48 and 50 are secured to the canopy 42. To this end, the interior walls of the canopy are coated with an adhesive that will effectively secure the laminate 60, including the mastic 62 and f~ber glass 64, to the canopy. The cover portions are, at this time, secured to their respec-tive slots, as stated above. With the insulation laminate 60 and cover portions 48 and 50 so secured to the canopy, it is then lowered unto the motor-compressor 14. As the lines 33, 38 and 40 engage the cover portions 48 and 50, they cause flexing tnereof as the lines 33, 38 and 40 pass 3~ through their respective parting lines to their appropriate enlargements 56.
~`` 113~647 After the canopy 42 is in place over the motor-compressor 14, as shown in Figure 1, with covers 48 and 50 in the position shown in Figure 3, the canopy assembly is then fastened to the base of the outdoor cabinet 16 through its lower flange 45 by screws or other fastening means. As indicated in Figure 1 and more clearly shown in Figure 3, the canopy 42 when positioned over the housing 36 is dimensioned to provide a clearance between the interior wall of canopy 42 and housing 14. It should be noted that if the cover portions are of the overlapping type 66,68 as shown in the ~mbodiment of Figure 4, then it may be possible to eliminate the use of the fastening tabs 58 since the over-lapping portions may be sufficient to suppress noise and leakage of heat from the interior of the canopy.
It should be apparent to those skilled in the art that the embodiment described heretofore is considered to be presently preferred form of this invention. In accordance with the Patent Statutes, changes may be made in the disclosed apparatus and the manner in which it is used without actually departing from the true spirit and scope of this invention.
.
This invention relates to the apparatus and method o~ prov~d-ing an acoustical and thermal insu~ating canopy for a motor-compressor unit of an air conditioning system. In split a~r conditioning systems, including an indoor and autdoor section, the outdoor sect~on whic~
includes the motor-compressor is generally mounted adjacent the structure to be conditioned. Accordingly, the noise output of the unit and, pr~marily, the frequency pulsations generated by the motor-compressor can be ob~ectionable to the occupants of the area to be conditioned.
Further, the heat generated from the operation of the motor-compressor is dissipated to the outdoor ambient. It has been recognized that, when the heat genera~ed by the operatin~ motor-compressor is maintained in the system, greater efficiency is attained. This is especially true in heat pumps wherein, during the heating cycle, the system generally lS operates at low ambient temperatures. This generated heat,~when retainedin the system, will ultimate~y be carried by the circulating refrigerant to the indoor coil and then be rejected.
SUM~RY OF THE INVENTION
It is an object of the invention to provide means for retaining heat generated by the operation of the motor compressor ~Jhile, at the same time, absorb and reduce decibel level across the whole spectrum of frequency range.
Another object of the lnvention is to provide a canopy that e~fectively isolates the motor compressor, both thermally and acousti-cally, and can be installed during manufacturing process without the useof special tools or other aids.
The air conditioner is of the split unit type and includes an indoor section having an indoor heat exchanger and air moving means for moving indoor air throu~h the heat exchanger and an outdoor section.
3n The outdoor section includes a housing having a hermetic compressor 113~64~7 shell arranged therein. The shell includes a motor-compressor that has a suction and discharge line and electrical line means connected thereto.
A removable and replaceable open end, bell-shaped canopy surrounds the compressor shell. 1nsulation surrounds subs~antially the entire inter~or wall area of the canopy so that the compressor is essentially thermally and acoustically insulated from the ambient.
The canopy includes slot means that extend from its open end that are dimensioned`to receive the suction, discharge and electric lines that may be attached to the compressor casin~. Cover portions are arranged to cover the slot means. The covers have sl~ts that allow passage of the lines and further include enlargements that accommodate the line when the canopy is arranged on the compressor shell.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a schematic view of a split system heat pump show-lS ing the indoor section and the outdoor section incorporating the presentinvention;
Figure 2 is an exploded perspective view showing the enclosure of the present invention relative to the motor-compressor;
Figure 3 is a sectional view taken along line 3-3 of Figure 1 showing certain details of the present invention; and Figure 4 is a view showing details of another embodiment of the invention.
DESCRIPTION OF THE PREFERRED ~lBODIrlENT
The present invention relates to a split system air condition-ing system, including an outdoor section 10 and an indoor section 12and, more particularly, to a means for isolating the motor-compressor unit 14 arranged in the outdoor section 10. By the present invention, as will be fully explained hereinafter, the motor-compressor 14 is isolated both the mally and acoustically.
113~4~
The outdoor section 10, which ~ncorporates the present in~en-tion, includes a cabinet 16 housing an outdoor heat exchanger coil 18, a fan 20 driven by a mntor 22, and the system motor-compressor 14. The refr~geration system components in the indoor unit comprise the indoor heat exchanger coil 24 and air handler 26, ~ncluding a blower 2~ for passing air through heat exchanger coil 24. The compressor (Figure 2) has dttached thereto a junction box 30 that includes the electric switching devices (not shown) for operating the motor-compressor 14.
The refrigeration system (Figure 1) may be of the heat pump bpe and may further include a reversing valve 32. When the system is of the heat pump type operating in the heating cycle, hot gaseous refrigerant from the discharge line 33 of the motor-compressor 14 flows through reversing valve 32 and line 35 to the indoor heat exchanger 24 now functioning as the system condenser. The hot gaseous refrigerant is lS desuperheated and conver~ed to liquid phase as heat is extracted by air moving through the heat exchanger. The liquid refrigerant then flows through an expansion device (not shown) line 37 to the outdoor coil 18 acting as the evaporator on the heating cycle and is passed in heat exchange relationship with a supply of air under influence of fan 20.
The latter heat exchange action causes the l~quid refrigerant to vaporize and flow as a gas back through reversing valve 32 and suction line 38 to the compressor 14 completing the cycle.
The refrigeration system, when operating as a heating means, requires that it function at relatiYely low outdoor ambient temperature.
The cooling effect of the relatively cold a~bient air on the refrigerant and the system components, such as motor-compressor, causes the tempera-ture of hot discharge sas to be lowered and, accordingly, lower the heating output of the indoor heat e~changer operating as a condenser.
; Generally, when installing split unit air conditioners, the 3n outdoor sections are positioned in close proximity to the exterior walls 113~647 of the enclosure to be cond~tioned so that a mtn~mum length of refrig-erant conduits ~s employed between the indoor and outdoor sections.
This positioning of the outdoor section adjacent the enclosure can - sometimes result in objectional no~se levels generated essentially by A S the operating motor-compressor ~a~ reaching the enclosure.
Accordingly, by the present invent~on, a canopy or enclosure is provided which serves to maintain the generated heat in the system and further serves to materially attenuate the undesirable noises acco~-panying compressor operation so that the sound issuing therefrom is relatively quiet or subdued, non-irritating and at an acceptable decibel level .
Referring to Figu-e 2, the compressor enclosure or canopy of the present invention is shown generally at 34 in association with the motor-compressor 14 and its associated junction box 30 of the air condi-tioning system. The motor-compressor, the detaiis of which are not a part of this invention, includes a motor and compressor unit (not shown) enclosed in the motor-compressor housing 36. It may be noted that refrigerant flow lines or conduits 33 and 38 for the transmiss~on of fluid to and from the motor-compressor 14 protrude from and are con-nected to the housin~ 36. Protruding from the junction box 30 attached to the housing 36 is an electrical conduit or line 40, the lines being accessible from the exterior of the enclosure 34, as shown in Figure 1.
The enclosure 34 is removably arranged on the moto~-compressor housing 36 and, by the present invention, means and a method of mounting the enclosure on the motor-compressor are provided.
The motor-compressor enclosure 34 consists essentially of one major component, a generally bell-shaped canopy 42 dimensioned to enclose the housing 36 and junction box 30. Fonmed along the open end of the canopy 42 is a flange 45 through which it may be secured to the f100r of cabinet 16. In the present embodiment, the canopy is constructed of A8S
- polymer, but other materials may be employed. Substantially, all of the 113~647 interior wa11 surface of the canopy 42 is covered with an ~nsulat1ng material 60 that acoustically and thermally isolates the inter~or of the canopy 42 from the outside amb~ent. The insulation 60 effectively isolates against and absorbs and reduces decibel levels across the whole S spectrum of frequency ran~e. The insulation 60, as shown in Fi~ure 2, consists of a laminate having a first layer of mastic 62 arranged against the walls of canopy 42 that absorbs low frequency noises and consists of an asphalt base having a diversity of 1 lb. per sq. ft. and a second layer of fiber glass 64 which absorbs high frequency noises and provides thermal insulatfon.
Means are provided in the canopy 42 to accommodate the refrig-erant lines 33 and 38 and the electrical line 40 when it is in place over the motor-compressor, as shown in Figure 1. To this end, the canopy is provided with slots 44 and 46. The slot 44 accommodates the lines 33 and 38 which, in the present embodiment, are substantially in vertical alignment so that the single slot is sufficient for both lines, with the line 40 being accommodated in slot 46. It may be noted that, while in the present embodiment shown, two slots are provided, the exact configuration and number of slots are dependent on the design of the particular motor-compressor being isolated.
Further, the size of the slots 44 and 46 is substantially larger than the diameter of the lines 33, 38 and 40, respectively, so that lines of varying diameters may be accommodated. Means are provided for sealing the slots 44 and 46; accordingly, cover portions 48 and 50 are arranged over the slots 44 and 46, respectively. The covers are secured to the canopy by an adhesive; however, any suitable means, such as by screws 52 shown in Fi~ure 4 may be employed. The covers may be constructed of any suitable materia1 that allows flexing to yieldably receive the lines as the canopy is placed over the motor-compressor. In the preferred embodiment, as shown in Figures 1-3 t each cover portion 1~3~6~7 ~s made of two pieces 66 and 68 that are dimensioned to overlap to lnsure a seal at the split area. In order to accommodate the respective lines 33, 38 and 40, there are provided on the cover members 48 and 50 enlargements or lateral slots 56 at each separation edge on both sides of the parting line 54. ~he slots 56 on pieces 66 are deeper laterally than the cooperating slots 56 on pieces 68 so that a substan-tial area overlaps; This overlapping provides a curtain effect such that the enclosure or canopy can sit cver the refrigerant and electr~cal lines extending ~rom the compressor without the use of tools or other hardware. The members 66 and 68 yield to allow passage of the lines, then fold back into the overlap position shown in Figure 3 and form an acoustical seal.
the covers 48,50 may be of one-piece construction 69, as shown in the embodiment of Figure 4, and be provided with splits or separation parting lines 54 whose edge portions are in abutting relationship.
Means are further provided at points along the parting lines 54, such as fastening or holding tabs 58, to maintain the two parting line edges of the cover portion in ~inm contact to thereby complete the sealing of the motor-compressor from the outside ambient.
The first step in assembling the canopy, relative to the motor-co~pressor, is to insure that the insulation laminate 60 and cover portions 48 and 50 are secured to the canopy 42. To this end, the interior walls of the canopy are coated with an adhesive that will effectively secure the laminate 60, including the mastic 62 and f~ber glass 64, to the canopy. The cover portions are, at this time, secured to their respec-tive slots, as stated above. With the insulation laminate 60 and cover portions 48 and 50 so secured to the canopy, it is then lowered unto the motor-compressor 14. As the lines 33, 38 and 40 engage the cover portions 48 and 50, they cause flexing tnereof as the lines 33, 38 and 40 pass 3~ through their respective parting lines to their appropriate enlargements 56.
~`` 113~647 After the canopy 42 is in place over the motor-compressor 14, as shown in Figure 1, with covers 48 and 50 in the position shown in Figure 3, the canopy assembly is then fastened to the base of the outdoor cabinet 16 through its lower flange 45 by screws or other fastening means. As indicated in Figure 1 and more clearly shown in Figure 3, the canopy 42 when positioned over the housing 36 is dimensioned to provide a clearance between the interior wall of canopy 42 and housing 14. It should be noted that if the cover portions are of the overlapping type 66,68 as shown in the ~mbodiment of Figure 4, then it may be possible to eliminate the use of the fastening tabs 58 since the over-lapping portions may be sufficient to suppress noise and leakage of heat from the interior of the canopy.
It should be apparent to those skilled in the art that the embodiment described heretofore is considered to be presently preferred form of this invention. In accordance with the Patent Statutes, changes may be made in the disclosed apparatus and the manner in which it is used without actually departing from the true spirit and scope of this invention.
Claims (5)
1. A split refrigeration system air conditioner, including an indoor section having an indoor heat exchanger and air moving means for moving indoor air through said heat exchanger and an outdoor section comprising:
a housing cabinet;
a hermetic housing arranged in said cabinet, including a motor compressor unit, a suction and discharge line connected to said housing, and electrical line means connected to said housing;
a removable and replaceable rigid open end bell-shaped canopy, said canopy including a body portion dimensioned to enclose said hermetic housing and a flange extending outwardly from the edge of said open end for securing said canopy to said cabinet with said body portion surrounding and spaced from said hermetic housing;
insulating means surrounding substantially the entire interior wall area of said canopy so that said compressor is essentially thermally and acoustically insulated across the whole spectrum of frequency range from the ambient, said insulating means consisting of a laminate having a first layer of sound ab-sorbing material juxtapositioned the surface of said canopy consisting of an asphalt base having a diversity of 1 lb. per sq. ft. that absorbs lower frequency noises associated with said motor compressor unit and a second layer of thermal insulating fiber glass that absorbs the higher frequency noises associated with said motor compressor unit;
slot means extending upwardly from said open end of said canopy being spaced and dimensioned to receive said lines;
cover portion secured to said outer shell being dimensioned to cover said slot, including splits for allowing passage of said lines during the installation and removal of said canopy with respect to said compressor; and said cover portions including enlargements along said split for receiving said lines when said canopy is positioned on said compressor.
a housing cabinet;
a hermetic housing arranged in said cabinet, including a motor compressor unit, a suction and discharge line connected to said housing, and electrical line means connected to said housing;
a removable and replaceable rigid open end bell-shaped canopy, said canopy including a body portion dimensioned to enclose said hermetic housing and a flange extending outwardly from the edge of said open end for securing said canopy to said cabinet with said body portion surrounding and spaced from said hermetic housing;
insulating means surrounding substantially the entire interior wall area of said canopy so that said compressor is essentially thermally and acoustically insulated across the whole spectrum of frequency range from the ambient, said insulating means consisting of a laminate having a first layer of sound ab-sorbing material juxtapositioned the surface of said canopy consisting of an asphalt base having a diversity of 1 lb. per sq. ft. that absorbs lower frequency noises associated with said motor compressor unit and a second layer of thermal insulating fiber glass that absorbs the higher frequency noises associated with said motor compressor unit;
slot means extending upwardly from said open end of said canopy being spaced and dimensioned to receive said lines;
cover portion secured to said outer shell being dimensioned to cover said slot, including splits for allowing passage of said lines during the installation and removal of said canopy with respect to said compressor; and said cover portions including enlargements along said split for receiving said lines when said canopy is positioned on said compressor.
2. The invention recited in claim 1 further comprising means on said cover portions including holding means on opposite sides of said split for maintaining said split in closed relationship when said lines are positioned in said enlargements.
3. The invention recited in claim 2 wherein said split in said cover forms an abutting parting line.
4. The invention recited in claim 2 further comprising said cover portion, including overlapping portions, wherein said enlargements are in said overlapping portions.
5. The method of providing an enclosure for an air conditioner compressor assembly including:
a hermetic housing, including a motor-compressor unit, a suction and discharge line connected to said housing, and electrical line means connected to said housing; a removable and replaceable open end bell-shaped rigid canopy surrounding said compressor housing being dimensioned to provide a space between said canopy and said compressor housing comprising the steps of:
covering substantially the entire interior wall area of said canopy with a first layer of sound absorbing material of the type that absorbs lower frequency noises associated with said compressor;
applying a second layer of thermal insulating material juxtapositioned the first layer of the type that absorbs the higher frequency noises associated with said compressor so that said compressor is essentially thermally and acoustically insulated from the ambient;
5. The method of providing an enclosure for an air conditioner compressor assembly including:
a hermetic housing, including a motor-compressor unit, a suction and discharge line connected to said housing, and electrical line means connected to said housing; a removable and replaceable open end bell-shaped rigid canopy surrounding said compressor housing being dimensioned to provide a space between said canopy and said compressor housing comprising the steps of:
covering substantially the entire interior wall area of said canopy with a first layer of sound absorbing material of the type that absorbs lower frequency noises associated with said compressor;
applying a second layer of thermal insulating material juxtapositioned the first layer of the type that absorbs the higher frequency noises associated with said compressor so that said compressor is essentially thermally and acoustically insulated from the ambient;
Claim 5 continued:
providing slot means extending upwardly from said open end being spaced and dimensioned to secure said lines;
securing cover portions to said outer shell that are dimensioned to cover said slot; providing splits on said cover portion for allowing passage of said lines during the installation and removal of said canopy with respect to said compressor and said cover portions;
providing enlargements along said split for receiving said lines when said canopy is positioned on said compressor;
placing said cover portions on said canopy so as to cover said slots;
sliding said canopy downwardly over said motor compressor with said lines entering said split and continuing to slide said canopy downwardly until said lines are arranged in said enlargements; and securing said canopy relative to said motor-compressor with the interior wall of said canopy spaced from said motor-compressor.
providing slot means extending upwardly from said open end being spaced and dimensioned to secure said lines;
securing cover portions to said outer shell that are dimensioned to cover said slot; providing splits on said cover portion for allowing passage of said lines during the installation and removal of said canopy with respect to said compressor and said cover portions;
providing enlargements along said split for receiving said lines when said canopy is positioned on said compressor;
placing said cover portions on said canopy so as to cover said slots;
sliding said canopy downwardly over said motor compressor with said lines entering said split and continuing to slide said canopy downwardly until said lines are arranged in said enlargements; and securing said canopy relative to said motor-compressor with the interior wall of said canopy spaced from said motor-compressor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11392780A | 1980-01-21 | 1980-01-21 | |
| US113,927 | 1980-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1138647A true CA1138647A (en) | 1983-01-04 |
Family
ID=22352340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000367238A Expired CA1138647A (en) | 1980-01-21 | 1980-12-19 | Air conditioner motor compressor isolation means |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1138647A (en) |
-
1980
- 1980-12-19 CA CA000367238A patent/CA1138647A/en not_active Expired
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