Abstract: A fluid analysis system is provided for analysis of a fluid flowing in a pipe or in a pipeline. The fluid analysis system comprises a pipe portion which, when the fluid analysis system is put to use, forms a part of the pipe or the pipeline through which the fluid flows. The pipe portion is provided with a fluid sample outlet for withdrawal of fluid samples from the fluid flowing through the pipe portion and a fluid sample return outlet for returning fluid samples to the pipe portion, where the fluid sample return outlet is arranged downstream of the fluid sample outlet. The fluid analysis system further comprises a fluid analyser which is provided in fluid communication with the fluid sample outlet and the fluid sample return outlet, and a propeller unit which is provided with at least one upstream propeller and at least one downstream propeller.

Abstract: A fluid analysis system (10) is provided for analysis of a fluid flowing in a pipe or in a pipeline. The fluid analysis system (10) comprises a pipe portion (12) which, when the fluid analysis system is put to use, forms a part of the pipe or the pipeline through which the fluid flows. The pipe portion (12) is provided with a fluid sample outlet (35) for withdrawal of fluid samples from the fluid flowing through the pipe portion (12) and a fluid sample return outlet (36) for returning fluid samples to the pipe portion (12), where the fluid sample return outlet (36) is arranged downstream of the fluid sample outlet (35). The fluid analysis system (10) further comprises a fluid analyser (16) which is provided in fluid communication with the fluid sample outlet (35) and the fluid sample return outlet (36), and a propeller unit (22) which is provided with at least one upstream propeller (29) and at least one downstream propeller (30).

Abstract: A method for in situ sampling and monitoring of a fluid flowing in a flow path, whereby the fluid is to be directed to a chamber a first valve may provide a connection between an inlet to the chamber and the flow path and a second valve may provide a connection between flow path, comprising the following steps: a) opening the first valve and the second valve to let the incoming fluid flow through the inlet to the chamber outlet into the continuation of the fluid path, thereby allowing fluid to circulate through the chamber for a certain time, b) trapping the fluid in the chamber by closing the second valve and thereafter closing the first valve, c) opening a valve 9 pressure in the chamber suitable for monitoring the fluid, d) opening an access valve 11 and leading the fluid trapped in the chamber into a monitor system wherein the fluid is analyzed, and thereby providing the data representing the fluid characteristics, e) providing exit for the fluid analyzed through a further fluid path possibly to a low pre

Abstract: An injection needle particularly intended for transferring a representative fluid sample into a sample bottle (1) which is closed by a membrane (2) made from a rubber elastic material. The needle comprises a tubular inner wall (6) having a needle point (8), and a tubular outer wall (10) concentrically surrounding and radially spaced from the inner wall (6) at least along a portion thereof distant from the needle point (8) and, at its end facing the needle point, having a conically tapering portion (12) sealingly engaging the inner wall (6).

Abstract: A fluid analysis system and method for in situ optically imaging a fluid, such as lubricating oil, sampled from a flow path. The system has a chamber with an inlet in fluid communication with fluid flowing under pressure in the flow path. The pressure of the received fluid in the chamber is reduced, the reduced pressure fluid is directed from the the chamber into the fluid analysis system, and the fluid analysis system optically images the fluid. The fluid analysis system can produce data representative of particle size, particle shape, or number of particles. In one embodiment, a valve for directing fluid to the chamber and a valve for returning fluid from the chamber to the flow path under pressure allow the fluid to flow through the chamber for a period before shutting the valves, reducing the pressure of the fluid, and optically imaging the fluid.

Abstract: In order to allow verification of the purity of a fluid sample from a pressurized fluid system, a sampling assembly includes a pressure chamber adapted to removably receive a sampling container. An inlet in the pressure chamber of the sampling assembly is connected to a bleed point of the pressurized fluid system of which the fluid is to be sampled, and the fluid in the system is caused to flow for a predetermined time interval through the sampling container in the pressure chamber. An outlet of the sampling assembly is connected to a return point of the fluid system. When the sampling assembly is disconnected from the fluid system, the pressure in the pressure chamber is released and the sampling container now containing a representative sample of the fluid in the system may be removed from the sampling assembly for analysis of its contents.