Bale density control system for agricultural balers

Details Bale density control system for agricultural balers Bale density control system for agricultural balers

1998-10-02

2000-02-22

Gerrity, Stephen F.

Presses

Methods

Forcing through constricted passage

100 43, 100 49, 100191, A01F 1504, B30B 1526

Patent

active

060267410

ABSTRACT:
An agricultural baler having a baling chamber and apparatus for loading successive charges of crop material into the chamber. The cross section of the baling chamber is automatically adjusted to the load experienced by the plunger during compression of these charges and thereby controlling the density of the bales formed therein. The density control system further comprises elements associated with the actuator of the baling chamber for precluding adjustment of the cross section when no new charge of crop material has been introduced into the baling chamber. These elements comprise a sensor sensing the passage of such charge along a wall portion of the baling chamber and a by-pass valve which controls the pressure of hydraulic oil provided to the actuator. Thus the cross section of the baling chamber is prevented from being reduced further when the baler is turned on headlands.

REFERENCES:
patent: 3479950 (1969-11-01), Freeman
patent: 4166414 (1979-09-01), Fleming et al.
patent: 4565123 (1986-01-01), Sanders
patent: 4624180 (1986-11-01), Strosser
patent: 4627341 (1986-12-01), Sudbrack et al.
patent: 5226356 (1993-07-01), Schrag et al.
patent: 5253570 (1993-10-01), Goeckner

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