Power plants – Pressure fluid source and motor – Input pump and rotary output motor system having...
Reexamination Certificate
2007-05-01
2007-05-01
Leslie, Michael (Department: 3745)
Power plants
Pressure fluid source and motor
Input pump and rotary output motor system having...
C060S445000
Reexamination Certificate
active
11041022
ABSTRACT:
A hydrostatic transmission vehicle comprises: a fuel adjustment position detection portion (681) which detects an operation position of a fuel adjustment portion (68); a deceleration operation position detection portion (691) which detects an operation quantity of a deceleration operation portion (69); and a controller (9) which controls a displacement of a hydrostatic transmission (7), and the controller (9) comprises: an operation state judgment portion (91) which judges operation states of the fuel adjustment portion (68) and the deceleration operation portion (69) based on detection values acquired by the fuel adjustment position detection portion (681) and the deceleration operation position detection portion (691); and a displacement control command generation portion (94) which generates a displacement control command which differs depending on a case where an engine revolution number is restricted by the fuel adjustment portion (68) and a case where an engine revolution number is restricted by the deceleration operation portion (69).
REFERENCES:
patent: 6442934 (2002-09-01), Okuda et al.
patent: 2002-235564 (2002-08-01), None
Fukasawa Toshihiko
Ishibashi Eiji
Kamikawa Shinobu
Sugimoto Yutaka
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