US1683390A - Compressor - Google Patents

Compressor Download PDF

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Publication number
US1683390A
US1683390A US133321A US13332126A US1683390A US 1683390 A US1683390 A US 1683390A US 133321 A US133321 A US 133321A US 13332126 A US13332126 A US 13332126A US 1683390 A US1683390 A US 1683390A
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United States
Prior art keywords
casing
compressor
chamber
movement
displacement member
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Expired - Lifetime
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US133321A
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Kagi Emil
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Sulzer AG
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Sulzer AG
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00

Definitions

  • This invention relates to compressors of the kind in which the compression is effected by means of the relative movement of the compressor casing and a displacement memi ber disposed within it.
  • the dlsplacement member within the casing is actuated by the centrifugal force set up by the movement of the caslng which is driven by i external means such as an electric motor or the like.
  • the displacement member is in the form of a roller and the casing, without rotating about its own axis, executes a. circular or oscillating movement.
  • the roller cooperates with a plunger adapted to reciprocate in a slot formed in the wall of the casing, this plunger serving to separate the suction chamber from the delivery chamber.
  • the invention may be carried out 1n va rions ways but one construct-ion in which the compressor is shown in its application to a refrigerator is illustrated by way of example in the accompanying drawing, in wh1ch Figure 1 is a cross section along the lme I-I of Figure 2, and
  • Figure 2 is a vertical cross section through the refrigerator and compressor.
  • the apparatus comprises a driving motor a, a
  • the compressor comprises a relativelv flat casing g1, somewhat in the shape of a hollow disc, enclosing a working chamber which is connected to the evaporator d through the suction pi e e and to the condenser c through the de ivery pipe f.
  • a disc shaped displacement member in the form of a roller g2 against which a reciprocating plunger h is pressed by means of a spring.
  • the compressor casing is eccentrically mounted on a disc or plate secured to the drivin motor shaft l.
  • anoier extension n connected to a A fixed part o of the apparatus through a universal joint m the casin is arranged so that it can oscillate without eing rotatable.
  • t e compression member is influenced 133,321, and in Switzerland September 7, 1925.
  • Drlving the displacement member by means of centrifugal force makes it possible to run the apparatus at a higher speed and with greater etliciency, while doing away with all stufling boxes, thereby providing a compressor of simple and robust construction suitable for example, for use with household and other small refrigerating plants.
  • the condenser is placed within a cooling Water tank p and the evaporator within a brlne tank q, the latter being disposed within a cooling cabinet 1'.
  • the whole machine 1s mounted in the cooling cabinet by means of supports s which also serve as protecting covers.
  • the condenser and evaporator coils are built into the cooling water tank and the brine tank respectively, and the connection with the rotary compressor is made through the flexible construction of the upper part.
  • the condenser delivers the liquefied cooling medium to a collecting tank a: from which it reaches the evaporator in the known manner through a valve z controlled by means of a oat y.
  • a non-return valve 26 consisting of a horseshoe shaped spring ( Figure 1) is provided whlch prevents a return of the cooling medium from the condenser into the compressor.
  • the plunger on its side remote from the displacement member 1s maintained under condenser pressure in uf order to assist the sprin in pressing the plunger against the disp acement member.
  • the lower side wall g3 of the working chamber of the compressor is movably mounted in the casing b and by means of the spring 10u 28 is pressed to any desired degree against the displacement member in order to guarantee a fluid tight joint.
  • a counterweight 29 is provided which assists in balanclng the centrifugal 105 force of the compressor.
  • the suction pipe e and the delivery pipe f can also be connected to the workin chamber of the compressor by means of con uits formed in the plunger h.
  • a compressor comprising a shallow casing, a disk shaped displacement member disposed therein, and means for imparting an orbital movement to said casing to produce a relative movement between said member and said casing.
  • a compressor comprising a casing, a free disk shaped displacement member disposed therein, and means for imparting an orbital movement without axial rotation to said casing to produce a centrifugal force, whereby relative movement between said member and said casing is produced by the action of said centrifugal force upon said member.
  • a compressor comprising a casing having a circular chamber therein, a circular displacement member disposed within said chamber, and means for producing a relative movement between said member and said casing by imparting an orbital movement without axial rotation to said casing.
  • a compressor comprising a casing having a shallow circular chamber therein, a disk shaped displacement member disposed in said chamber, a plunger seated in said casing and contacting with the periphery of said member, and means for producing a relative movement between said member and said casing by imparting an orbital movement to said casing.
  • a compressor comprising a casing having a circular chamber therein, a circular member of .smaller diameter than said chamber disposed therein and providing a peripheral clearance, a plunger seated in said casing and contacting with said member to divide said peripheral clearance between said member and said casing into two portions, and means for producing a relative movement between said member and said casing to vary the volume of said separate portions by imparting an orbital movement without axial rotation to said casing.
  • a compressor comprising a casing having a chamber therein, a displacement member of smaller diameter than said chamber disposed therein and providing a peripheral clearance, a spring pressed plunger seated in said casing and contacting with said member to divide said peripheral clearance between said member and said casing into a compression and a suction chamber, a passage connecting said compression chamber with the spring pressed end of said plunger, and means for producing a relative movement between said member and said casing by imparting an orbital movement without axial rotation to said casing.
  • a compressory comprising a casing hav ing a chamber therein, a displacement member of smaller diameter than said chamber disposed therein and providing a peripheral clearance, a radial plunger seated in said casing and contacting with said member to divide said peripheral clearance between said member and said casing into a compression and a suction chamber, flexible delivery and suction pipes connecting respectively with said compression and suction chambers, and means for producing a relative movement between said member and said casing by imparting an orbital movement Without axial rotation to said casing.
  • a compressor comprising a casing, a displacement member disposed therein, means ecoentrically connected to said casing for imparting an orbital movement without axial rotation to said casing to produce relative movement between said member and said casing, and a counterweight secured to said means to balance the reaction on said means of said eccentrically connected casing.
  • a compressor comprisino ⁇ a casing, a displacement member disposed in said casing and yieldably restrained against axial movement therein, and means for producing a relative radial movement between said casing and said member by imparting an orbital movement to said casing.
  • a compressor comprising a casing, a displacement member disposed in said casing and radially movable therein, a spring pressed member disposed in said casing and bearing against said displacement member to yieldably resist axial movement thereof, a universal joint socket, means connected to one end of said casing and pivoted in said socket, and means connected to the other end of said casing for producing a relative movement between said displacement member and said casing by imparting an orbital movement without axial rotation to said casing about said universal joint socket as a center.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Description

Patented Sept. 4, 1928.
UNITED STATES 1,683,390 PATENT, oFFlcE.
EMIL KGI, OF WINTERTHUR, SWITZERLAND, ASSIGNOB TO THE FIRM SULZEB FRERES SOCIETE ANONYME, 0F WINTERTHUR, SWITZERLAND.
COMPRESSOR Application led September 3, 1926, Serial No.
This invention relates to compressors of the kind in which the compression is effected by means of the relative movement of the compressor casing and a displacement memi ber disposed within it.
According to the present invention the dlsplacement member within the casing is actuated by the centrifugal force set up by the movement of the caslng which is driven by i external means such as an electric motor or the like. Preferably the displacement member is in the form of a roller and the casing, without rotating about its own axis, executes a. circular or oscillating movement.
In the preferred form also, the roller cooperates with a plunger adapted to reciprocate in a slot formed in the wall of the casing, this plunger serving to separate the suction chamber from the delivery chamber.
The invention may be carried out 1n va rions ways but one construct-ion in which the compressor is shown in its application to a refrigerator is illustrated by way of example in the accompanying drawing, in wh1ch Figure 1 is a cross section along the lme I-I of Figure 2, and
Figure 2 is a vertical cross section through the refrigerator and compressor.
In the construction shown in the drawlng the apparatus comprises a driving motor a, a
compressor b, a condenser c and an evaporator d. The compressor comprises a relativelv flat casing g1, somewhat in the shape of a hollow disc, enclosing a working chamber which is connected to the evaporator d through the suction pi e e and to the condenser c through the de ivery pipe f. Within the casing g1 is disposed a disc shaped displacement member in the form of a roller g2 against which a reciprocating plunger h is pressed by means of a spring. By means of an extenslon lc engaging with a ball bearing i (Figure 2) the compressor casing is eccentrically mounted on a disc or plate secured to the drivin motor shaft l. Further, by means of anoier extension n connected to a A fixed part o of the apparatus through a universal joint m the casin is arranged so that it can oscillate without eing rotatable.
When the machine is set in motion the compressor casing executes a movement whereby its geometrical axis, which passes through both bearings, describes a cone having lts a ex l ing in the universal joint. Owing to 56 is, t e compression member is influenced 133,321, and in Switzerland September 7, 1925.
by centrifugal force in Such a way that it executes a rolling circular movement within the disc-shaped casing in the direction of the arrow and in conjunction with the reciprocatlng plunger sucks the cooling medium out of the evaporator and delivers it into the condenser, whence it is returned in a liquid state under a slight pressure to the evaporator.I
Drlving the displacement member by means of centrifugal force makes it possible to run the apparatus at a higher speed and with greater etliciency, while doing away with all stufling boxes, thereby providing a compressor of simple and robust construction suitable for example, for use with household and other small refrigerating plants.
The condenser is placed within a cooling Water tank p and the evaporator within a brlne tank q, the latter being disposed within a cooling cabinet 1'. The whole machine 1s mounted in the cooling cabinet by means of supports s which also serve as protecting covers.
The condenser and evaporator coils are built into the cooling water tank and the brine tank respectively, and the connection with the rotary compressor is made through the flexible construction of the upper part. The condenser delivers the liquefied cooling medium to a collecting tank a: from which it reaches the evaporator in the known manner through a valve z controlled by means of a oat y.
A non-return valve 26 consisting of a horseshoe shaped spring (Figure 1) is provided whlch prevents a return of the cooling medium from the condenser into the compressor. By means of the pipe 27 the plunger on its side remote from the displacement member 1s maintained under condenser pressure in uf order to assist the sprin in pressing the plunger against the disp acement member. The lower side wall g3 of the working chamber of the compressor is movably mounted in the casing b and by means of the spring 10u 28 is pressed to any desired degree against the displacement member in order to guarantee a fluid tight joint. On the shaft l of the driving motor a counterweight 29 is provided which assists in balanclng the centrifugal 105 force of the compressor. The suction pipe e and the delivery pipe f can also be connected to the workin chamber of the compressor by means of con uits formed in the plunger h.
The above described refrigerating machine nu is only mentioned as one example of an applicatlon of the subject matter of this invention. The real novelty consists in the principle of driving compressors by means of centrifugal force, whether such compressors are use-d with refrigerating machinery or for any other purpose whatever.
1 claim:
l. A compressor comprising a shallow casing, a disk shaped displacement member disposed therein, and means for imparting an orbital movement to said casing to produce a relative movement between said member and said casing.
2. A compressor comprising a casing, a free disk shaped displacement member disposed therein, and means for imparting an orbital movement without axial rotation to said casing to produce a centrifugal force, whereby relative movement between said member and said casing is produced by the action of said centrifugal force upon said member.
3. A compressor comprising a casing having a circular chamber therein, a circular displacement member disposed within said chamber, and means for producing a relative movement between said member and said casing by imparting an orbital movement without axial rotation to said casing.
4. A compressor comprising a casing having a shallow circular chamber therein, a disk shaped displacement member disposed in said chamber, a plunger seated in said casing and contacting with the periphery of said member, and means for producing a relative movement between said member and said casing by imparting an orbital movement to said casing.
5. A compressor comprising a casing having a circular chamber therein, a circular member of .smaller diameter than said chamber disposed therein and providing a peripheral clearance, a plunger seated in said casing and contacting with said member to divide said peripheral clearance between said member and said casing into two portions, and means for producing a relative movement between said member and said casing to vary the volume of said separate portions by imparting an orbital movement without axial rotation to said casing.
6. A compressor comprising a casing having a chamber therein, a displacement member of smaller diameter than said chamber disposed therein and providing a peripheral clearance, a spring pressed plunger seated in said casing and contacting with said member to divide said peripheral clearance between said member and said casing into a compression and a suction chamber, a passage connecting said compression chamber with the spring pressed end of said plunger, and means for producing a relative movement between said member and said casing by imparting an orbital movement without axial rotation to said casing.
7. A compressory comprising a casing hav ing a chamber therein, a displacement member of smaller diameter than said chamber disposed therein and providing a peripheral clearance, a radial plunger seated in said casing and contacting with said member to divide said peripheral clearance between said member and said casing into a compression and a suction chamber, flexible delivery and suction pipes connecting respectively with said compression and suction chambers, and means for producing a relative movement between said member and said casing by imparting an orbital movement Without axial rotation to said casing.
8. A compressor comprising a casing, a displacement member disposed therein, means ecoentrically connected to said casing for imparting an orbital movement without axial rotation to said casing to produce relative movement between said member and said casing, and a counterweight secured to said means to balance the reaction on said means of said eccentrically connected casing.
9. A compressor comprisino` a casing, a displacement member disposed in said casing and yieldably restrained against axial movement therein, and means for producing a relative radial movement between said casing and said member by imparting an orbital movement to said casing.
l0. A compressor comprising a casing, a displacement member disposed in said casing and radially movable therein, a spring pressed member disposed in said casing and bearing against said displacement member to yieldably resist axial movement thereof, a universal joint socket, means connected to one end of said casing and pivoted in said socket, and means connected to the other end of said casing for producing a relative movement between said displacement member and said casing by imparting an orbital movement without axial rotation to said casing about said universal joint socket as a center.
In testimony whereof I have ailixed my signature. Y
EMIL KAGI. Y
US133321A 1925-09-07 1926-09-03 Compressor Expired - Lifetime US1683390A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026811A (en) * 1959-04-28 1962-03-27 Louis E Van Beuning Rotary pump
US5236318A (en) * 1991-10-18 1993-08-17 Tecumseh Products Company Orbiting rotary compressor with adjustable eccentric
US5302095A (en) * 1991-04-26 1994-04-12 Tecumseh Products Company Orbiting rotary compressor with orbiting piston axial and radial compliance

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026811A (en) * 1959-04-28 1962-03-27 Louis E Van Beuning Rotary pump
US5302095A (en) * 1991-04-26 1994-04-12 Tecumseh Products Company Orbiting rotary compressor with orbiting piston axial and radial compliance
US5383773A (en) * 1991-04-26 1995-01-24 Tecumseh Products Company Orbiting rotary compressor having axial and radial compliance
US5236318A (en) * 1991-10-18 1993-08-17 Tecumseh Products Company Orbiting rotary compressor with adjustable eccentric

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