Valve housing

摘要

The invention discloses a valve housing (1) having a main bore (6) and at least one connecting bore or secondary bore (12, 20, 22, 36), the diameter of which is smaller than the diameter of the main bore. The connecting or secondary bores end at a side wall limiting the main bore, wherein the side wall has different material thicknesses being distributed at the circumference thereof. According to the invention, to reduce material stresses the valve housing has tension reducing grooves (14, 26, 28, 34) in the ending regions, said grooves being integrally molded into the side wall of the main bore.

主权项

1. A valve housing comprising:
a main bore; at least one secondary bore having a maximum diameter smaller than a maximum diameter of the main bore; and a stress-reducing groove extending from a first sidewall of the main bore to the at least one secondary bore such that material stresses between the main bore and the at least one secondary bore are reduced, the stress-reducing groove having a substantially uniform length in a direction of a longitudinal axis of the bore from the first sidewall of the main bore to the at least one secondary bore, wherein the stress-reducing groove has a first orifice opening to the at least one secondary bore and a second orifice opening to the main bore, wherein the second orifice has an axial extent in the direction of the longitudinal axis of the main bore and has a circumferential extent in a direction about the longitudinal axis of the main bore, and wherein the axial extent of the second orifice is less than the circumferential extent of the second orifice.