Plunger piston compressor for refrigerants
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Accused Products
Abstract
The invention concerns a plunger piston compressor (1) for refrigerants, particularly for CO2, with a case-like housing, having a compressor block (2) with a compression section comprising a cylinder (13) as first housing element and a bottom part (3) as second housing element, the compressor block (2) and the bottom part (3) being connected with each other, and with a motor (25) with a drive shaft (23) located in the inner chamber (17). It is endeavoured to provide a high-pressure refrigerant compressor with a simple design, which is cost effective in manufacturing. For this purpose, it is ensured that the drive shaft (23) is only supported on one side of the motor (25).
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Citations
20 Claims
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1. (canceled)
- 20. A plunger piston compressor for refrigerants, particularly for CO2, with a case-like housing, having a compressor block with a compression section comprising a cylinder as first housing element and a bottom part as second housing element, the compressor block and the bottom part being connected with each other, and delimiting a closed inner chamber, and with a motor with a drive shaft located in the inner chamber, wherein the drive shaft is only supported on one side of the motor, which is adjacent to the compression section, by a bearing integrally formed in the compressor block, where the drive shaft is loaded on both sides of the bearing, where the motor engages on one side and a crank drive engages on the other side, wherein the bearing is formed as a single bearing element, and where the drive shaft in the area of its upper end has a diameter expansion, with which the drive shaft is axially supported on the housing of the radial bearing, and where the contact point of the crank drive on the drive shaft is adjacent the bearing.
Specification