B
SECTION B — PERFORMING OPERATIONS; TRANSPORTING
  
TRANSPORTING
 B60
VEHICLES IN GENERAL
 B60

Note(s)

In this class, the following term is used with the meaning indicated:

 B60T
VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS, OR PARTS THEREOF, IN GENERAL (electrodynamic brake systems for vehicles, in general B60L; brakes per se, i.e. devices where braking effect occurs, including ultimate brake actuators, F16D)
 B60T

Note(s)

In this subclass, the following expression is used with the meaning indicated:

  • "brake control systems" includes brake control systems for vehicles or of general applicability.

 B60T 1/00
Arrangements of braking elements, i.e. of those parts where braking effect occurs
 B60T 1/02
·  acting by retarding wheels
 B60T 1/04
·  ·  acting directly on tread
 B60T 1/06
·  ·  acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission
 B60T 1/08
·  ·  using fluid or powdered medium
 B60T 1/087
·  ·  ·  in hydrodynamic, i.e. non-positive displacement, retarders  [3]
 B60T 1/093
·  ·  ·  in hydrostatic, i.e. positive displacement, retarders  [3]
 B60T 1/10
·  ·  by utilising wheel movement for accumulating energy, e.g. driving air compressors (using propulsion unit as braking means, see the relevant class)
 B60T 1/12
·  acting otherwise than by retarding wheels, e.g. jet- action
 B60T 1/14
·  ·  directly on road (portable devices, e.g. chocks B60T 3/00)
 B60T 1/16
·  ·  by increasing air resistance, e.g. flaps
 B60T 3/00
Portable devices for preventing unwanted movement of vehicles, e.g. chocks
 B60T 5/00
Vehicle modifications to facilitate cooling of brakes
 B60T 7/00 - 
B60T 17/00
Brake control systems or parts thereof
 B60T 7/00
Brake-action initiating means
 B60T 7/02
·  for personal initiation
 B60T 7/04
·  ·  foot-actuated
 B60T 7/06
·  ·  ·  Disposition of pedal
 B60T 7/08
·  ·  hand-actuated
 B60T 7/10
·  ·  ·  Disposition of hand control
 B60T 7/12
·  for automatic initiation; for initiation not subject to will of driver or passenger
 B60T 7/14
·  ·  operated upon collapse of driver (dead-man's devices for electrically-propelled vehicles B60L 3/02)
 B60T 7/16
·  ·  operated by remote control, i.e. initiating means not mounted on vehicle
 B60T 7/18
·  ·  ·  operated by wayside apparatus
 B60T 7/20
·  ·  specially for trailers, e.g. in case of uncoupling of trailer (inertia-actuated overrun brakes B60T 13/08)
 B60T 7/22
·  ·  initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle  [4]
 B60T 8/00
Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force (by changing number of effective brake cylinders in power brake systems B60T 17/10)
 B60T 8/02 - 
B60T 8/16
( transferred to B60T 8/32-B60T 8/96 )
 B60T 8/18
·  responsive to vehicle weight or load, e.g. load distribution (B60T 8/30 takes precedence; responsive to weight and speed condition B60T 8/58)
 B60T 8/20
·  ·  with stepwise control action
 B60T 8/22
·  ·  with continuous control action
 B60T 8/24
·  responsive to vehicle inclination or change of direction, e.g. negotiating bends
 B60T 8/26
·  characterised by producing differential braking between front and rear wheels
 B60T 8/28
·  ·  responsive to deceleration  [4]
 B60T 8/30
·  ·  responsive to load  [4]
 B60T 8/32
·  responsive to a speed condition, e.g. acceleration or deceleration (B60T 8/28 takes precedence; electric devices on electrically propelled vehicles indicating the wheel slip B60L 3/10; measuring linear or angular speed per se G01P 3/00)  [4]
 B60T 8/34
·  ·  having a fluid pressure regulator responsive to a speed condition  [4]
 B60T 8/36
·  ·  ·  including a pilot valve responding to an electromagnetic force  [4]
 B60T 8/38
·  ·  ·  including valve means of the relay or driver controlled type  [4]
 B60T 8/40
·  ·  ·  comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system  [4]
 B60T 8/42
·  ·  ·  having expanding chambers for controlling pressure  [4]
 B60T 8/44
·  ·  ·  co-operating with a power-assist booster means associated with a master cylinder for controlling the release and reapplication of brake pressure through an interaction with the power assist device  [4]
 B60T 8/46
·  ·  ·  the pressure being reduced by exhausting fluid  [4]
 B60T 8/48
·  ·  ·  connecting the brake actuator to an alternative or additional source of fluid pressure  [4]
 B60T 8/50
·  ·  ·  having means for controlling the rate at which pressure is reapplied to the brake  [4]
 B60T 8/52
·  ·  Torque sensing, i.e. wherein the braking action is controlled by forces producing or tending to produce a twisting or rotating motion on a braked rotating member  [4]
 B60T 8/54
·  ·  by mechanical means  [4]
 B60T 8/56
·  ·  having means for changing the coefficient of friction  [4]
 B60T 8/58
·  ·  responsive to speed and another condition or to plural speed conditions  [4]
 B60T 8/58

Note(s)

In this group, a single condition which is itself responsive to, or representative of, another single condition is not regarded as plural conditions. [4]

 B60T 8/60
·  ·  ·  using electrical circuitry for controlling the braking action, the circuitry deriving a control function relating to the dynamic of the braked vehicle or wheel  [4]
 B60T 8/62
·  ·  ·  ·  wherein the individual vehicle wheels are provided (i) with self-contained braking systems operating the individual wheels in accordance with its dynamic state or (ii) with a central processing unit which receives input from individual wheels or wheel groups and produces a plurality of control signals for separately operating individual wheels or groups of wheels  [4]
 B60T 8/64
·  ·  ·  ·  wherein the controlled braking action is characterised by the manner in which the braking fluid pressure is reduced or reapplied  [4]
 B60T 8/66
·  ·  ·  ·  wherein the braking action is responsive to the difference between a computed or other theoretical vehicle speed and an actual speed of a wheel thereof  [4]
 B60T 8/68
·  ·  ·  ·  ·  wherein the braking action is controlled by a difference between the rate of change of vehicle velocity and the rate of change of wheel velocity  [4]
 B60T 8/70
·  ·  ·  ·  ·  sensing both acceleration and deceleration of either the vehicle or the wheel  [4]
 B60T 8/72
·  ·  responsive to a difference between a speed condition, e.g. deceleration, and a fixed reference (B60T 8/66 takes precedence)  [4]
 B60T 8/74
·  ·  ·  sensing a rate of change of velocity  [4]
 B60T 8/76
·  ·  ·  two or more sensing means from different wheels indicative of the same type of speed condition  [4]
 B60T 8/78
·  ·  ·  using electrical circuitry for controlling the braking action, the circuitry deriving a control function relating to the dynamics of the braked vehicle or wheel  [4]
 B60T 8/80
·  ·  ·  ·  means sensing a rate of change of velocity  [4]
 B60T 8/82
·  ·  ·  ·  two or more sensing means from different wheels indicative of the same type of speed condition  [4]
 B60T 8/84
·  ·  ·  ·  wherein two wheels or wheel groups are controlled in dependence on the behaviour of a reference wheel or wheel group, with means for changing the reference wheel, e.g. "select high, select low" operation  [4]
 B60T 8/86
·  ·  wherein the brakes are automatically applied in accordance with a speed condition and having means for overriding the automatic braking device when a skid condition occurs  [4]
 B60T 8/88
·  ·  with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means  [4]
 B60T 8/90
·  ·  ·  using a simulated speed signal to test speed responsive control means  [4]
 B60T 8/92
·  ·  ·  automatically taking corrective action  [4]
 B60T 8/94
·  ·  ·  ·  on a fluid pressure regulator  [4]
 B60T 8/96
·  ·  ·  ·  on speed responsive control means  [4]
 B60T 10/00
Control or regulation for continuous braking making use of fluid or powdered medium, e.g. for use when descending a long slope  [4]
 B60T 10/02
·  with hydrodynamic brake  [4]
 B60T 10/04
·  with hydrostatic brake  [4]
 B60T 11/00
Transmitting braking action from initiating means to ultimate brake actuator
 B60T 11/02
·  without power assistance or drive or where such assistance or drive is irrelevant (the power assistance or drive being essential B60T 13/00)
 B60T 11/04
·  ·  transmitting mechanically
 B60T 11/06
·  ·  ·  Equalising arrangements
 B60T 11/08
·  ·  ·  providing variable leverage
 B60T 11/10
·  ·  transmitting by fluid means, e.g. hydraulic
 B60T 11/12
·  ·  ·  the transmitted force being varied therein (B60T 11/16-B60T 11/28 take precedence)
 B60T 11/14
·  ·  ·  the transmitted force being substantially unchanged
 B60T 11/16
·  ·  ·  Master control, e.g. master cylinders
 B60T 11/18
·  ·  ·  ·  Connection thereof to initiating means
 B60T 11/20
·  ·  ·  ·  Tandem, side-by-side, or other multiple master-cylinder units
 B60T 11/22
·  ·  ·  ·  characterised by being integral with reservoir
 B60T 11/24
·  ·  ·  Single initiating means operating on more than one circuit, e.g. dual circuits (multiple master-cylinder units B60T 11/20)
 B60T 11/26
·  ·  ·  Reservoirs (integral with master controls B60T 11/22)
 B60T 11/28
·  ·  ·  Valves peculiar thereto
 B60T 11/30
·  ·  ·  ·  Bleed valves for hydraulic brake systems
 B60T 11/32
·  ·  ·  ·  Automatic cut-off valves for defective pipes
 B60T 11/34
·  ·  ·  ·  Pressure-reducing or limiting valves
 B60T 13/00
Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems (arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions B60T 8/00; valves incorporated in such systems B60T 15/00)
 B60T 13/02
·  with mechanical assistance or drive
 B60T 13/04
·  ·  by spring or weight (fluid-released B60T 13/10)
 B60T 13/06
·  ·  by inertia, e.g. flywheel
 B60T 13/08
·  ·  ·  Overrun brakes (automatic brake-action initiating means specially for trailers B60T 7/20)
 B60T 13/10
·  with fluid assistance, drive, or release
 B60T 13/12
·  ·  the fluid being liquid
 B60T 13/14
·  ·  ·  using accumulators or reservoirs
 B60T 13/16
·  ·  ·  using pumps directly, i.e. without interposition of accumulators or reservoirs
 B60T 13/18
·  ·  ·  ·  with control of pump output delivery
 B60T 13/20
·  ·  ·  ·  with control of pump driving means
 B60T 13/22
·  ·  ·  Brakes applied by springs or weights and released hydraulically
 B60T 13/24
·  ·  the fluid being gaseous
 B60T 13/26
·  ·  ·  Compressed-air systems
 B60T 13/28 - 
B60T 13/34
( covered by B60T 13/26 )
 B60T 13/36
·  ·  ·  ·  direct, i.e. brakes applied directly by compressed air
 B60T 13/38
·  ·  ·  ·  Brakes applied by springs or weights and released by compressed air
 B60T 13/40
·  ·  ·  ·  indirect
 B60T 13/42
·  ·  ·  ·  ·  Single-chamber
 B60T 13/44
·  ·  ·  ·  ·  Two-chamber
 B60T 13/46
·  ·  ·  Vacuum systems
 B60T 13/48
·  ·  ·  ·  direct, i.e. brakes applied directly by vacuum
 B60T 13/50
·  ·  ·  ·  Brakes applied by springs or weights and released by vacuum
 B60T 13/52
·  ·  ·  ·  indirect
 B60T 13/54
·  ·  ·  ·  ·  Single-chamber
 B60T 13/56
·  ·  ·  ·  ·  Two-chamber
 B60T 13/58
·  ·  Combined or convertible systems
 B60T 13/60
·  ·  ·  both fluid pressure and vacuum
 B60T 13/62
·  ·  ·  both straight and automatic
 B60T 13/64
·  ·  ·  both single- and two-chamber
 B60T 13/66
·  ·  Electrical control in fluid-pressure brake systems
 B60T 13/68
·  ·  ·  by electrically-controlled valves
 B60T 13/70
·  ·  ·  by fluid-controlled switches
 B60T 13/72
·  ·  ·  in vacuum systems
 B60T 13/74
·  with electrical assistance or drive
 B60T 15/00
Construction, arrangement, or operation of valves incorporated in power brake systems (valve structures responsive to a speed condition B60T 8/34; valves in general F16K)
 B60T 15/02
·  Application and release valves
 B60T 15/04
·  ·  Driver's valves
 B60T 15/06
·  ·  ·  Single driver's valves for pressure brakes without automatic control
 B60T 15/08
·  ·  ·  Driver's valves for pressure brakes having automatic control (automatic initiation of braking per se B60T 7/12)
 B60T 15/10
·  ·  ·  for vacuum brakes
 B60T 15/12
·  ·  ·  combined with relay valves or the like
 B60T 15/14
·  ·  ·  influencing electric control means
 B60T 15/16
·  ·  ·  Arrangements enabling systems to be controlled from two or more positions
 B60T 15/18
·  ·  Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed-air or vacuum source or atmosphere
 B60T 15/20
·  ·  ·  controlled by two fluid pressures
 B60T 15/22
·  ·  ·  ·  with one or more auxiliary valves, for braking, releasing, filling reservoirs
 B60T 15/24
·  ·  ·  controlled by three fluid pressures
 B60T 15/26
·  ·  ·  ·  without a quick braking action
 B60T 15/28
·  ·  ·  ·  ·  and having auxiliary valves
 B60T 15/30
·  ·  ·  ·  with a quick braking action
 B60T 15/32
·  ·  ·  ·  ·  and having auxiliary valves
 B60T 15/34
·  ·  ·  controlled alternatively by two or three fluid pressures
 B60T 15/36
·  ·  Other control devices or valves characterised by definite functions
 B60T 15/38
·  ·  ·  for quick take-up and heavy braking, e.g. with auxiliary reservoir for taking-up slack
 B60T 15/40
·  ·  ·  ·  with separate take-up and applying cylinders
 B60T 15/42
·  ·  ·  with a quick braking action, i.e. with accelerating valves actuated by brake-pipe pressure variation
 B60T 15/44
·  ·  ·  ·  and operating independently of the main control device
 B60T 15/46
·  ·  ·  for retarding braking action to prevent rear vehicles of a vehicle train from overtaking the forward ones
 B60T 15/48
·  ·  ·  for filling reservoirs
 B60T 15/50
·  ·  ·  ·  with means for limiting or relieving pressure in reservoirs
 B60T 15/52
·  ·  ·  for quick release of brakes, e.g. for influencing counter-pressure in triple valve or recirculating air from reservoir or brake cylinder to brake pipe
 B60T 15/54
·  ·  ·  for controlling exhaust from triple valve or from brake cylinder
 B60T 15/56
·  ·  ·  for filling reservoirs by means of a secondary supply pipe
 B60T 15/58
·  ·  ·  for supplying control impulses through a secondary air pipe
 B60T 15/60
·  ·  ·  for releasing or applying brakes when vehicles of a vehicle train are uncoupled
 B60T 17/00
Component parts, details, or accessories of brake systems not otherwise provided for, or of interest apart from, groups B60T 8/00, B60T 13/00 or B60T 15/00 (air compressors per se F04)
 B60T 17/02
·  Arrangements of pumps or compressors, or control devices therefor
 B60T 17/04
·  Arrangement of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses (traction couplings involving joints for supply lines, electric circuits, or the like B60D 1/08; couplings peculiar to railway vehicles for, or combined with, couplings or connectors for fluid conduits or electric cables B61G 5/06; pipes, cut-off valves, couplings, air hoses per se F16C, F16K, F16L)
 B60T 17/06
·  Applications or arrangements of reservoirs
 B60T 17/08
·  Brake cylinders other than ultimate actuators (with built-in wear-compensating mechanisms, ultimate actuators F16D)
 B60T 17/10
·  ·  Two or more cylinders acting on the same brake with means for rendering them effective selectively or successively, the number of effective cylinders being variable
 B60T 17/12
·  ·  ·  according to vehicle weight
 B60T 17/14
·  ·  ·  according to vehicle speed
 B60T 17/16
·  ·  Locking of brake cylinders
 B60T 17/18
·  Safety devices; Monitoring
 B60T 17/20
·  ·  Safety devices operable by passengers other than the driver
 B60T 17/22
·  ·  Devices for monitoring or checking brake systems; Signal devices