Fluid pump with pump mechanism in casing, which includes first element where high pressure through passage is located and second element where it is not.

摘要

The fluid pump is in a casing. It has a pump mechanism (26, 28) to pressurize the fluid and a high pressure through passage (50, 56) to take it to the outside. The casing includes a first element (30, 54) where the high pressure through passage is located and a second element (16) where there is no high pressure through passage.