Pump Type:The Air Pump, or Air Injector Reactor ... The first smog pumps introduced in 1967 were a serviceable three-vane pump design with the pulley attached to the pump using four bolts.

But in 1899, R. M. Blackmer came up with a vane-type pump design that was an important departure from the gear pump principle. In contrast to the flow rate from a gear pump that drops steadily as the ...

to evaluate the efficacy and safety of AID in adults with type 2 diabetes who were receiving multiple daily injections of insulin or using an insulin pump. This multicenter, randomized ...