Sharp R-267LST Uživatelský manuál Strana 1

United States Patent [19] 111] 4,309,917 Leet [451 Jan. 12, 1982 [54] TRANSMISSION AND CONTROL SYSTEM FOREIGN PATENT DOCUMENTS [751 Inventon Warren E-

4,309,917 3 signal valve which is‘positioned with hysteresis in an upshift'ora downshift positionfdepe‘nding on the signal emitted by the ratio g

4,309,917 5 DESCRIPTION OF PREFERRED EMBODIMENTS GEARING The transmission has a cross drive train 10 (FIGS. 1 and 2) and a control system 11 (FIGS. 3A

4,309,917 7 32 and 32' are driven in opposite directions at the same speed relative to cross steer drive shaft 97. Cross drive train 10 (FIGS. 1

4,309,917 9 input or lst governor pressure increasing with increas ing engine speed in 1st or input governor pressure line 165 which is connected to t

4,309,917 11 one of throttle and steer request cams 188, 189, calling for the higher set speed, and power pressure in chamber 181 will not move piston

4,309,917 13 position connects restricted line 243 via its restricted branchline 245 to advance line 204. Thus, in lst range the supply of advance pre

4,309,917 15 supply mainline ?uid pressure to, or exhaust from, 1st chamber 262 and indicator valve 126, respectively, when neutral shift valve 127 is

4,309,917 17 chamber feed line 285, and forward and reverse signal valves 128 and 129 are moved to all manual range posi tions in response to manual r

19 112 feed disconnect chamber feed line 323 to pressurize disconnect chamber 318, as solenoid valve H is deener gized, and feed steer signal line 326

4,309,917 21 bolt portion secured to spool 364 and locked in the adjusted position by a locknut. Valve sleeve 366 has a reverse return port 371 and a

Sheet 1 of7 4,309,917 ~ 95 mm? ?g 0/ mwuw US. Patent Jan. 12, 1982

4,309,917 23 to 1st exhaust 413 to close the leakage path, and land b of spool 407 has a large overlap of 2nd port 410’ to prevent leakage. When pump

atant Jan. 12, 1982 Sheet 2 of7 4,309,917 // MOTOR H2 3159 5K9 555 M PROPULSIO HYD R OST l 1,3 £37 675 SAETEY SIG. ALVE P. v. STOP .724’ £56 //3 6/762

US. atent Jan. 12, 1982 Sheet 3 of7 309,917 ACTUATOIR L3 ' L, NA .926 317 A DIS. a??? M U 35/ ' iii? {if LUTCH G / : VALVE 5,115 553 55/ _ 5

US, Patent Jan. 12, 1982 Sheet4 0f7 4,389,917 #5 A/OUTPUT {/6 GOVERNOR I96 @7 A9" A9! a‘; <9 "53/ I {6962 ggVERJIl-OR REGJVALVE RATlO GOV

US. Patent Jan. 12, 1982 - Sheet 5 of7 4,309,917 , ZERO STROKE 4496’ 44/0’ VALVE 4/3 2nd CONTROL PRESSURE REG. /77 VALVE $96’ 698 6:941 69? , dz ZERO

US. atent Jan. 12, 1982 Sheet 6 of7 29/ RATIO SHIFT SIGNAL VALVE PRIORITY VALVE 4187 50/ ' (65 :7z\ GEAR RATIO CONTROL 420 $7 7%’ 3 7f BRAKE APPL

4,309,917 1 TRANSMISSION AND CONTROL SYSTEM The invention hereindescribed was made in the course of work performed under a contract or subcon tract th