In-line uv-led fluid disinfection unit and a method

A UV-LED fluid disinfection unit (10) comprising

• a housing (11) enclosing a cavity (14), and comprising an inlet connection (39) and an outlet connection (40), a fluid inlet opening (12) and a fluid outlet opening (13), wherein the fluid inlet opening (12) fluidly connects the inlet connection (39) and the cavity (14), and the fluid outlet opening (13) fluidly connects the cavity (14) and the outlet connection (40), and wherein the inlet connection (39) and the outlet connection (40) are provided in-line with each other,
• characterized by the UV-LED fluid disinfection unit (10) further comprising
• a hollow structure (16) comprising a lateral surface, a first end portion (19) and a second end portion (20), the hollow structure (16) being provided in the cavity (14) such that said cavity (14) is divided into an inner chamber (17) and an outer chamber (18),
• a UV-LED unit (15) provided in connection with one end portion (19, 20) of the hollow structure (16),
• a sleeve (21) provided in the outer chamber (18), enclosing a portion of the lateral surface of the hollow structure (16), and/or the UV-LED unit (15), the sleeve (21) being provided with separation means (22) dividing the outer chamber (18) in a non-disinfected fluid chamber (23) and a disinfected fluid chamber (24) and comprising a sealing means (32), the sleeve (21) being provided such that a first portion (32a) of the sealing means (32) is provided adjacent a first side portion of the fluid inlet opening (12), and a second portion (32b) of the sealing means (32) is provided adjacent a second side portion of the fluid outlet opening (13), being opposite said first side portion.