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Class Information
Number: 477
Name: Interrelated power delivery controls, including engine control >
Description: This is the class for structure wherein operation of an engine* either regulates or is regulated by the operation of a clutch*, a gear transmission*, or a brake*.










Class Number Class Name No. of Patents
477/182

Brake control

50
477/203

Brake condition change modifies engine condition

72
477/205

Brake actuation decreases or eliminates fluid energy input to engine

20
477/206

By closing throttle valve

22
477/207

By preventing increasing operation of engine energy control

13
477/204

Brake actuation interrupts ignition circuit of fluid engine

15
477/194

Brake control having holding device, with means on engine control to override holding device

48
477/197

Holding device engaged by electric means

14
477/198

Holding device comprising brake valve operated by solenoid

12
477/195

Holding device responsive to motion, speed or acceleration

23
477/196

Holding device comprising brake valve operated by solenoid

17
477/199

Brake engaged when engine energy deactivated, brake disengaged when engine energy is activated

36
477/200

Internal combustion engine

28
477/201

Controls brake valve

8
477/202

Vacuum actuated brake

5
477/209

Control means selectively operates engine energy input and brake

30
477/218

Control means including fluid passage

7
477/210

Foot operated control means

11
477/211

Engine and brake control including interconnected elements

17
477/216

Lever reciprocates on moveable supports at both ends

3
477/215

Pivots about intermediate fulcrum

3
477/214

Pivots about two fulcrums

6
477/212

Pivots and translates

3
477/213

Pivots about intermediate fulcrum

2
477/217

Pivots for sequential operation

1
477/208

Decreasing fluid energy input to engine actuates brake

11
477/189

Engine energy control having adjusting and holding device, with means on brake control to override holding device

10
477/190

Holding device engaged by electric means

7
477/191

Magnetic holding device

1
477/192

Mechanical holding device engaged by mechanical means

11
477/193

Device or means including a threaded shaft, rack or ratchet

8
477/188

Plural diverse brake means

23
477/183

Sensed condition responsive control of engine of brake

53
477/184

Brake

42
477/185

And engine

51
477/186

Speed or acceleration responsive

73
477/187

Speed or acceleration responsive

47
477/166

Clutch control

114
477/174

Condition responsive control

340
477/177

Overload release

20
477/178

Engine shut off

24
477/175

Speed responsive

275
477/176

Slip rate control

270
477/179

Electric clutch

61
477/181

Engine controlled by clutch control

196
477/180

Regulated clutch engagement

289
477/170

With brake control

33
477/171

Clutch controlled

60
477/172

And brake controlled

28
477/173

Engine controlled

36
477/168

With fluid drive

81
477/169

Speed responsive control

195
477/167

With starter

55
477/904

Control signal is acceleration

109
477/905

Acceleration of throttle signal

67
477/902

Control signal is engine parameter other than manifold pressure or fuel control

52
477/901

Control signal is slope

104
477/903

Control signal is steering

28
477/900

Control signal is vehicle weight

44
477/7

Electric engine

96
477/24

Brake actuation opens switch to engine

8
477/25

Electrically actuated brake

8
477/26

Fluid actuated brake

1
477/21

Brake engaged when engine energy deactivated, brake disengaged when engine energy activated

20
477/22

Cam actuated brake

9
477/23

Electrically actuated brake

10
477/27

Control means selectively operates engine energy input and brake

15
477/29

Electrically actuated brake

9
477/28

Fluid actuated brake

8
477/8

With clutch control

123
477/12

Common controller

17
477/13

Electric clutch

32
477/11

Engine stopped at end of cycle

9
477/14

Speed responsive

23
477/9

With brake control

30
477/10

Stopped at end of cycle

6
477/15

With transmission control

141
477/20

Condition responsive engine control

69
477/19

Engine starting interlock

9
477/16

Load motion limit control

15
477/18

Reversible engine

9
477/17

Transmission change by moving engine

11
477/30

Gas turbine engine

47
477/31

Continuously variable transmission

15
477/908

In series transmission

70
477/906

Means detecting or ameliorating the effects of malfunction or potential malfunction

397
477/907

Redundant

31
477/2

Plural engines

69
477/3

Electric engine

518
477/4

With brake control

86
477/5

With clutch control

515
477/6

With clutch control

125
477/1

Steering by driving

33
477/34

Transmission control

219
477/114

Anticreep

88
477/37

Continuously variable friction transmission

165
477/44

Belt-type

135
477/45

Fluid pressure control

250
477/46

Ratio change controlled

296
477/47

Engine coast braking

65
477/48

With electric valve control

192
477/49

Duty ratio control

112
477/42

Constant speed output

27
477/43

Controlled by engine map

213
477/50

Fluid pressure control

100
477/41

Interrelated control of diverse transmissions

69
477/40

With brake control

57
477/39

With clutch control

191
477/38

With fluid drive

51
477/97

Control by sensed ambient condition, pattern indicia, external signal, or temperature

241
477/98

Temperature control

309
477/35

Differential transmission

72
477/165

Engine control linkage mounted on manual gearshift lever

14
477/107

Engine controlled by transmission

565
477/108

Constant output shaft speed

114
477/109

Diminution during transmission change

320
477/110

Responsive to transmission output condition

404
477/111

Transmission setting contingent

427
477/112

Change to neutral idles engine

35
477/113

Engine input variable in neutral

38
477/101

Engine ignition control for transmission change

70
477/102

Ignition advanced or retarded

105
477/103

Ignition intermitting and safety means limiting duration of intermission

10
477/104

Ignition intermitting controlled by manifold pressure

3
477/105

Ignition intermitting initiated by positioning accelerator

10
477/106

Initiation inhibited by sensed condition

14
477/99

Engine starting interlock

212
477/100

Exhaust emission control

48
477/51

Fluid resistance inhibits rotation of planetary transmission element

3
477/52

Including fluid drive

49
477/53

Impeller-turbine-type

27
477/61

Control responsive to fluid drive

48
477/54

Engine controlled

59
477/67

Fill and empty-type fluid units

6
477/62

With clutch control

164
477/63

Disengaged during shift

66
477/64

Speed responsive

56
477/65

Electrical

101
477/55

With countershaft gearing

6
477/57

And clutch control

30
477/56

And turbine shaft brake

2
477/58

Control of or by fluid drive

3
477/66

With fluid unit vane control

5
477/59

With hydrodynamic braking

7
477/60

With nonratio brake

7
477/68

Ratio control

143
477/69

With planetary transmission control

54
477/36

Plural outputs

76
477/115

Transmission controlled by engine

308
477/120

By acceleration

300
477/121

By input manifold pressure or engine fuel control

160
477/125

Prevents unsafe or unintentional shift

212
477/126

Reverse inhibitor

49
477/122

Selector-type

28
477/143

Servo motor timing

250
477/153

Double acting servo

19
477/144

Downshift

79
477/147

Double acting servo

7
477/149

Electric valve control

79
477/148

Speed responsive control

101
477/145

With fluid accumulator

13
477/146

Electric valve control

23
477/155

Electric valve control

282
477/154

Speed responsive control

211
477/150

With fluid accumulator

90
477/152

Electric valve control

43
477/151

Engine parameter controls back pressure

46
477/127

Shift valve control

118
477/140

Downshift control

24
477/141

Kickdown

33
477/138

Electric control

67
477/139

Downshift control

28
477/128

Hysteresis

26
477/129

Electric control

66
477/130

Plural shift valves

114
477/135

Downshift control

23
477/136

Kickdown

23
477/131

Electric control

133
477/132

Downshift control

39
477/133

Kickdown

31
477/134

Selector valve overrule

22
477/137

Selector valve overrule

14
477/142

Selector valve overrule

18
477/156

Transmission pressure controlled

240
477/164

Electric valve control

37
477/158

Line pressure controlled

147
477/163

Electric valve control

72
477/159

Responsive to speed

65
477/160

Electric valve control

44
477/161

Duty ratio control

52
477/162

Transmission setting contingent

57
477/157

Variable capacity pump

15
477/123

With positive shift means

42
477/124

With synchronization

116
477/118

Engine (coast) braking

103
477/119

Electric valve control

69
477/116

Shift from neutral shock control

93
477/117

Pressure controlled

122
477/92

With brake control

125
477/93

Anti-creep

55
477/94

Brake controls transmission

130
477/95

Pressure controlled

41
477/96

One control blocks another

118
477/70

With clutch control

129
477/71

And brake control

51
477/74

Clutch controlled

81
477/73

Engine controlled

57
477/75

Gearing controlled

39
477/72

Temperature responsive control

16
477/83

Clutch and engine controlled

78
477/84

Speed responsive control

50
477/85

Plural speed signals

25
477/79

Clutch and transmission controlled

127
477/80

Speed responsive control

130
477/82

Vacuum actuated clutch

2
477/81

With manual override

19
477/86

Clutch controlled

160
477/87

Electric clutch

47
477/88

Vacuum actuated clutch

3
477/89

Electric control

14
477/77

Clutch, engine, and transmission controlled

124
477/78

Electronic digital control

182
477/90

Engine controlled

35
477/91

Speed responsive

38
477/76

Temperature responsive control

69
477/32

With supercharger

32
477/33

Manifold pressure control

37
 
 
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