DK141417B - Piston compressor with performance control. - Google Patents
Piston compressor with performance control. Download PDFInfo
- Publication number
- DK141417B DK141417B DK84775A DK84775A DK141417B DK 141417 B DK141417 B DK 141417B DK 84775 A DK84775 A DK 84775A DK 84775 A DK84775 A DK 84775A DK 141417 B DK141417 B DK 141417B
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- DK
- Denmark
- Prior art keywords
- compressor
- suction
- valves
- magnetic
- cylinder
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Description
141417141417
Opfindelsen vedrører en stempelkompressor med ydelsesregulering og omfattende mindst to cylindre i en cylinderblok og koaksiale suge- og trykventiler i hver cylinder, hvor ydelsesreguleringen foretages 5 ved hjælp af en elektromagnet, der er indrettet til at påvirke sugeventilerne, idet det magnetiske kredsløb passerer gennem disse. Opfindelsen er navnlig nyttig i forbindelse med kølestempelfcompressorer, der arbejder med forskellige kølemidler, inklusive aggressive og 10 eksplosive midler, såsom freon, ammoniak, propan etc., og i kompressorer, hvor slagvolumen styres ved udkobling af flere cylindre på én gang, og navnlig ved udkobling af cylindre i par.The invention relates to a piston compressor with performance control comprising at least two cylinders in a cylinder block and coaxial suction and pressure valves in each cylinder, the performance control being made by an electromagnet adapted to actuate the suction valves as the magnetic circuit passes through them. The invention is particularly useful in refrigeration piston compressors operating with various refrigerants including aggressive and explosive agents such as Freon, Ammonia, Propane etc. disconnecting cylinders in pairs.
Pra tysk patentskrift nr. 636.470 kendes der 15 en stempelkompressor med individuel, elektromagnetisk styring af en sugeventil og/eller en trykventil, idet der over vedkommende ventil under cylinderdækslet er monteret en aftagelig elektromagnet. Eftersom elektromagneten er anbragt inden for cylinderdækslet, kan 20 dette arrangement ikke anvendes til kølekompressorer, hvor der anvendes medier, der er korroderende eller eksplosionsfarlige (f.eks. ammoniak), og som kan komne i kontakt med de elektriske ledninger, der ikke på tilfredsstillende måde vil kunne isoleres til hindring her-25 af. Ved eventuel udskiftning af elektromagneten er det nødvendigt at standse kompressoren og adskille denne.German Patent Specification No. 636,470 discloses a plunger compressor with individual electromagnetic control of a suction valve and / or a pressure valve, with a removable electromagnet mounted under the valve under the cylinder cover. Since the electromagnet is located within the cylinder cover, this arrangement cannot be used for refrigeration compressors, where corrosive or explosive media (e.g., ammonia) is used, and which may come into contact with electrical wiring that is not satisfactory way can be isolated to obstruction here by. When replacing the electromagnet it is necessary to stop the compressor and separate it.
Disse ulemper undgås ved kompressoren ifølge opfindelsen ved, at elektromagneten er anbragt udvendig på cylinderdækslet og på en sådan måde, at det magneti-30 ske kredsløb passerer gennem trykventilen og sugeventilen i én cylinder, gennem sugeventilen og trykventilen i en anden cylinder og gennem cylinderdækslet, og at cylinderdækslet og selve cylinderblokken er adskilt fra hinanden med et indlæg af et ikke-magnetisk materi-35 ale.These disadvantages are avoided by the compressor according to the invention in that the electromagnet is placed externally on the cylinder cover and in such a way that the magnetic circuit passes through the pressure valve and the suction valve in one cylinder, through the suction valve and pressure valve in another cylinder and through the cylinder cover. and that the cylinder cover and the cylinder block itself are separated from one another by a non-magnetic material insert.
Herved opnås, at ventilerne i to cylindre kan styres med samme elektromagnet, der endvidere er anbragt uden på cylinderdækslet, så at elektromagneten 141417 2 ikke påvirkes af kølemidlet, og hvorved den lettere kan isoleres fra kompressorens øvrige dele, ligesom en eventuel udskiftning kan foretages uden at standse kompressoren.Hereby, the valves of two cylinders can be controlled with the same electromagnet, which is furthermore placed on the outside of the cylinder cover, so that the electromagnet 141417 2 is not affected by the refrigerant, and thereby it can be more easily insulated from the other parts of the compressor, as well as possible replacement without to stop the compressor.
5 Opfindelsen forklares nærmere i det føl gende under henvisning til tegningen, hvor fig. 1 skematisk viser et snit i en stempelkompressor med ydelsesregulering ifølge opfindelsen, og 10 fig. 2 en skematisk tegning af en stempel kompressor med ydelsesregulering ifølge opfindelsen.BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic sectional view of a piston compressor with performance control according to the invention; and FIG. 2 is a schematic drawing of a piston compressor with performance control according to the invention.
Stempelkompressoren i fig. 1 omfatter en cylinderblok 1 med et cylinderdæksel 2 og en regulator, der tjener til at styre kompressorens ydelse.The piston compressor of FIG. 1 comprises a cylinder block 1 with a cylinder cover 2 and a regulator which serves to control the performance of the compressor.
15 Inden i cylinderblokken er der cylindre 3 og 4.15 Inside the cylinder block there are cylinders 3 and 4.
Cylinderen 3 omfatter en sugeventil 5 og en trykventil 6. Cylinderen 4 omfatter en sugeventil 7 og en trykventil 8. Sugeventilerne 5 og 7 omfatter ringformede plader, henholdsvis 9 og 10. Tilbage-20 føringsfjedre 11 og 12 er monteret oven på de ringformede pladeventiler 9 og 10 i sugeventilerne 5 og 7.Cylinder 3 comprises a suction valve 5 and a pressure valve 6. The cylinder 4 comprises a suction valve 7 and a pressure valve 8. The suction valves 5 and 7 comprise annular plates 9 and 10 respectively. and 10 in suction valves 5 and 7.
Den ringformede pladeventil 9 lukker indsugningsporte 13, og den ringformede pladeventil 10 25 lukker indsugningsporte 14. Indsugningsportene 13 og 14 er i forbindelse med et sugekammer 15 i kompressoren. Dækslet 2 for cylinderblokken 1 har en ringformet rille 16 på ydersiden.The annular plate valve 9 closes suction ports 13 and the annular plate valve 10 25 closes intake ports 14. The suction ports 13 and 14 are connected to a suction chamber 15 in the compressor. The cover 2 of the cylinder block 1 has an annular groove 16 on the outside.
Den ringformede rille 16 tjener til instal-30 lation af dele tilhørende kompressorens ydelsesregulering i form af en elektromagnetisk spole 17 forbundet med hver sugeventil 5 og 7 gennem et magnetisk kredsløb. Det magnetiske kredsløb udgøres af cylinderblokkens dæksel 2, af selve cylinderblokken 1, og 35 af trykventilerne 6 og 8.The annular groove 16 serves to install parts of the compressor's performance regulation in the form of an electromagnetic coil 17 connected to each suction valve 5 and 7 through a magnetic circuit. The magnetic circuit is constituted by the cylinder block cover 2, by the cylinder block 1 itself, and by the pressure valves 6 and 8.
For at tilvejebringe en styret magnetisk flux er dækslet 2 til cylinderblokken 1 adskilt fra selve cylinderblokken 1 ved hjælp af en pakningIn order to provide a controlled magnetic flux, the cover 2 of the cylinder block 1 is separated from the cylinder block 1 by means of a gasket.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK84775A DK141417B (en) | 1975-03-03 | 1975-03-03 | Piston compressor with performance control. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK84775A DK141417B (en) | 1975-03-03 | 1975-03-03 | Piston compressor with performance control. |
DK84775 | 1975-03-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK84775A DK84775A (en) | 1976-09-04 |
DK141417B true DK141417B (en) | 1980-03-10 |
DK141417C DK141417C (en) | 1980-09-08 |
Family
ID=8098220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK84775A DK141417B (en) | 1975-03-03 | 1975-03-03 | Piston compressor with performance control. |
Country Status (1)
Country | Link |
---|---|
DK (1) | DK141417B (en) |
-
1975
- 1975-03-03 DK DK84775A patent/DK141417B/en unknown
Also Published As
Publication number | Publication date |
---|---|
DK84775A (en) | 1976-09-04 |
DK141417C (en) | 1980-09-08 |
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