Families There are 10 families: Adelgidae - adelgids, conifer aphids Anoeciidae Aphididae Drepanosiphidae Greenideidae Hormaphididae Lachnidae Mindaridae Pemphigidae Phloeomyzidae Phylloxeridae Thelaxidae Aphids or greenfly, plant lice (superfamily Aphidoidea) are small plant-feeding insects (1 to 10 mm). ... Families Ixodidae - Hard ticks Argasidae - Soft ticks Tick is the common name for the small wingless arachnids that, along with mites, constitute the order Acarina. ... This article is about the insect; for the WWII aircraft see De Havilland Mosquito. ... Orders Arhynchobdellida or Rhynchobdellida There is some dispute as to whether Hirudinea should be a class itself, or a subclass of the Clitellata. ... Genera Many, see text. ...
A fluid is filled in a space between a cover and an outer casing, to which a plurality of vanes are attached, and there is disposed in the aforementioned space a partition which is formed with two fluid inlet ports.
One of the fluid inlet ports of the partition is made to have communication with the inner torque transmitting chamber, whereas the other fluid inlet port is made to have communication with the outer torque transmitting chamber.
A fluid coupler according to claim 8, further comprising a second fluidfeeder for feeding a fluid under pressure formed at the circumferential edge of the second rotor.
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