Piston compressor, particularly hermetically enclosed refrigerant compressor
AssigneeDanfoss Compressors GmbH
InventorsJens Erik Nissen, Frank Holm Iversen
Life of this patent
Estimating the term…
Abstract
The invention concerns a piston compressor, particularly a hermetically enclosed refrigerant compressor, with at least one cylinder a piston reciprocating in said cylinder, the piston being connected with a driving rod via a piston pin and having in its outer jacket surface a circumferential lubrication groove, the piston pin having a longitudinal bore, which is connected with a lubricant source. It is endeavoured to improve the lubrication. For this purpose, the longitudinal bore is open downward in the gravity direction and has a ventilation opening upward.
Claims12
A piston compressor, particularly a hermetically enclosed refrigerant compressor, comprising at least one cylinder and a piston reciprocating in said cylinder, the piston being connected with a driving rod via a piston pin and having in its outer jacket surface a circumferential lubrication groove, the piston pin having a longitudinal bore, which is connected with a lubricant source, and wherein in a gravity direction the longitudinal bore is open downward and has a ventilation opening upward.
Dependencies are inferred from the claim text.