Enhanced automated splitter shifting with dual solenoid valves a

Details Enhanced automated splitter shifting with dual solenoid valves a Enhanced automated splitter shifting with dual solenoid valves a

1992-01-22

1994-07-19

Braun, Leslie A.

Machine element or mechanism

Gearing

Interchangeably locked

74336R, 477124, F16H 5900

Patent

active

053298268

ABSTRACT:
A pneumatic control system (200) for controlling the automated shifting of the splitter section (114) of an automated compound transmission (110) is provided. Shifting of the splitter section is controlled by a differential area piston/cylinder actuator assembly (162) having a first chamber (168A) associated with low-speed operation and a second chamber (170A) associated with high-speed operation. Pressurization and exhaust of each of the chambers is controlled by an individual independently controlled solenoid actuated valve (202 and 204 respectively), each of which operates in response to control signals from an ECU 124.

REFERENCES:
patent: 3478851 (1969-11-01), Smyth et al.
patent: 4324322 (1982-04-01), Sibeud
patent: 4361060 (1982-11-01), Smyth
patent: 4595986 (1986-04-01), Dupenspeck et al.
patent: 4722248 (1988-02-01), Braun
patent: 4853629 (1989-08-01), Rops
patent: 4964313 (1990-10-01), Davis
patent: 5050451 (1991-09-01), Hussain
patent: 5199311 (1993-04-01), Muyskens et al.
patent: 5199312 (1993-04-01), Haggins et al.
patent: 5218878 (1993-06-01), Monette et al.

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