Abstract: A dispenser unit (1) for dispensing biological material, e.g. larvae or insects etc. The dispenser unit has a rotary arrangement (2) with a drive shaft (3) and a plurality of protruding vanes (4) positioned inside a housing (10) for encasing the rotary arrangement to form chambers (5) for containing biological material between respective neighbouring vanes and an inner wall (11) of the housing. A track (6) on the housing serves to engage with each vane or movable element to control the volume of the chamber between an inlet opening (20) in a top part of the housing and an outlet opening (21) in a bottom part of the housing. This allows the biological material to be received in the chambers at the inlet opening (20) and dispensed from the chambers (5) at the outlet opening (21) during rotation of the rotary arrangement. The dispensing unit is designed to provide for an expanding chamber volume as the chambers are being rotated from the inlet opening to the outlet opening.

Abstract: The invention relates to a compressor comprising a rotatable portion where the active volume is divided by transverse wings (4a-b) and a rotatable ring element (2) with its normal at an angle to the rotation axis of the transverse wings. In any of their embodiments the sealing wings are attached to sealing holder taps (16bd1-2, 16ac1-2) that pass through driving slits (11a1-2, 11b1-2). The driving slits extend essentially parallel to the rotation axis of the transverse wings. Steering and driving the sealing wings in this fashion using the driving slits, aligns the sealing wings against the transverse wings, restricting wear of the sealing wings and decreasing friction. In one embodiment the sealing holder taps are provided with sliders (17, 17a1-2, 17b1-2, 17c1-2, 17c1-2), guiding and further reducing wear of the sealing wings and decreasing friction, by means of guides (22a-d).

Abstract: The invention relates to a compressor comprising a rotatable portion where the active volume is divided by transverse wings (4a-b) and a rotatable ring element (2) with its normal at an angle to the rotation axis of the transverse wings. In any of their embodiments the sealing wings are attached to sealing holder taps (16bd1-2, 16ac1-2) that pass through driving slits (11a1-2, 11b1-2). The driving slits extend essentially parallel to the rotation axis of the transverse wings. Steering and driving the sealing wings in this fashion using the driving slits, aligns the sealing wings against the transverse wings, restricting wear of the sealing wings and decreasing friction. In one embodiment the sealing holder taps are provided with sliders (17, 17a1-2, 17b1-2, 17c1-2, 17c1-2), guiding and further reducing wear of the sealing wings and decreasing friction, by means of guides (22a-d).