| 摘要 |
<p>Method and device at a pump,more specifically such method and device for enclosing and keeping a pumping unit (A),driven by an external power source, such as electromagnetic, electrical or pressurised, together. The pumping unit (1-6) with necessary connections thereto is contained snugly fit in a casing (8), ends of which in use are closed at a first end of the casing (8) by the use of co-operating internal and external shoulders (7a, 7b) respectively, and at a second end thereof by a lid (9) compressed against said pumping unit and held in position by one or more internal locking elements(11), arranged in an internal groove in the casing (8),thus keeping elements of the pump unit A together.</p> |
