JPS5879077U - refrigerant compressor - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Figure 1 is a partially cutaway configuration diagram of a conventional refrigerant compressor;
FIG. 2 is a configuration diagram of a connecting rod of a refrigerant compressor which is an embodiment of this invention, and FIG. 3 is a sectional view taken along the line II in FIG. 2. In the figure, 1 is the crank chamber, 4 is the connecting rod large end bearing,
6 is an oil reservoir, 7 is a crankshaft, 8 is a crank pin, 9.
10 is an oil chamber, 12 is a circumferential groove, and 13 is a thrust groove. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

[Scope of utility model registration request] An oil sump installed at a predetermined height in the crank chamber, a crankshaft with one end immersed in the oil sump, and a crankshaft drilled in the crankshaft to communicate with the oil sump and An oil chamber opens on the opposite side of the pin and supplies oil to the bearing at the large end of the connecting rod using the centrifugal force generated when the crankshaft rotates. A refrigerant compressor comprising: a circumferential groove; and a thrust groove that communicates with the circumferential groove and opens to the bearing end of the large end of the connecting rod.