Apparatus and method for moving viscous fluid by pressure
AssigneeDanhydra A/S
InventorThomas Hove
Life of this patent
Estimating the term…
Abstract
An apparatus and a method are shown for removing or moving a viscous fluid such as grease from a first unit such as a bearing e.g. a ball bearing to a second unit via a hose or pipe. The apparatus includes a hose or pipe (7) through which the viscous fluid is pumped during operation from an outlet (11) of the first unit (1) to an inlet (10) of the second unit (2), wherein the apparatus further includes a pump connected to the hose or pipe (7) in such a way that the viscous fluid during operation is moved through the hose or pipe (7), and the hose or pipe (7) includes an inlet (8) for gas such as air, and the flow of gas through the inlet (8) is controlled by a valve (9).
Claims14
An apparatus comprising one hose or pipe (7) through which grease being a viscous and homogeneous fluid during operation of the apparatus is pumped from an inlet of the hose or pipe (7) to an outlet of the hose or pipe (7),
- the apparatus comprises a pump (12) and a connection connecting the pump (12) to the inlet of the hose or pipe (7) in such a way that the viscous fluid during operation is moved through the hose or pipe (7) from the inlet of the hose or pipe (7) to the outlet of the hose or pipe (7), which connection does not comprise a one-way valve between the pump (12) and the inlet of the hose or pipe (7), and
- the hose or pipe (7) comprises an inlet (8) for gas positioned between the inlet of the hose or pipe (7) and the outlet of the hose or pipe (7), gas pressure at the inlet (8) for gas is controlled by a valve (9) and the opening of the valve (9) is adjusted when the apparatus is set up for operation, wherein
- the pump (12) is a pressure pump (12) connected to the inlet of the hose or pipe (7) in such a way that the viscous fluid during operation is moved through the hose or pipe (7) from the inlet of the hose or pipe (7) to the outlet of the hose or pipe (7), by increasing the pressure at the inlet of the hose or pipe (7) thereby forcing the viscous fluid through the hose or pipe (7),
- which hose or pipe (7) does not comprise a one-way valve preventing flow of viscous fluid towards the inlet of the hose or pipe (7), at a position between the inlet of the hose or pipe (7) and the inlet (8) for gas, wherein the apparatus further comprises
- a bearing having an outlet (11) which outlet (11) is connected to the inlet for the hose or pipe (7).
A method for transporting grease being a viscous and homogenous fluid through a hose or pipe (7) comprising at least two inlets, a first inlet for viscous fluid and a second inlet (8) for pressurized gas, and an outlet for viscous fluid and gas, wherein
- the viscous fluid is pumped into the hose or pipe (7) through the first inlet towards the outlet of the hose or pipe (7),
- and while pumping, the second inlet (8) is simultaneously subjected to a continuous pressure of pressurized gas during operation.
Dependencies are inferred from the claim text.