| 摘要 |
FIELD: animal farming equipment, in particular, cooling of plated-rotor vacuum pumps of milking units. ^ SUBSTANCE: vacuum pump has water jacket provided between replaceable stator bushing and pump housing. Water jacket is connected through two branch pipes to expansion reservoir. ^ EFFECT: reduced material usage and decreased costs for recovering and repairing of vacuum pump owing to employment of replaceable stator bushing. ^ 2 dwg |
