A ring blower, also known as regenerative blower, is a type of industrial blower that is used to generate desired pressure and volume in a cost-effective way. The compact, durable and noise-free blower is used in aeration tank, cleaning tank, fish transport vehicle and aquarium, milking machine, fermentation device, woodworking machine, metal manufacturing machine, food manufacturing machine, to name a few. This blower has a ring shaped working chamber with an inlet port and an outlet port.