Electronically controlled pneumatic seeder

Details Electronically controlled pneumatic seeder Electronically controlled pneumatic seeder

1989-03-07

1990-05-29

DeMille, Danton D.

Planting

Drilling

Having depositor feature

111904, 111726, 221 13, 221211, A01C 704, B23Q 702, G07F 1100

Patent

active

049286072

ABSTRACT:
The invention provides a pneumatic seeder wherein the various functions are controlled by electronic means. The seed distributors are operated by as many direct current motors, controlled by an electronic device as a function of the forward speed of the seeder, which speed is detected by an encoder. Electronic devices are also used for controlling both the sowing depth and the devices that adjust the seed fall.

REFERENCES:
patent: 4085862 (1978-04-01), Steffen
patent: 4122974 (1978-10-01), Harbert et al.
patent: 4414792 (1983-11-01), Bettencourt et al.
patent: 4449642 (1984-05-01), Dooley

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