IPC 6 English version B60T 13/00-B60T 105:00

B60T01300-B60T10500

SECTION B– PERFORMING OPERATIONS; TRANSPORTING

B 60

VEHICLES IN GENERAL

B 60 T

VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS, OR PARTS THEREOF, IN GENERAL (electrodynamic brake systems for vehicles, in general B 60 L; brakes per se, i.e. devices where braking effect occurs, including ultimate brake actuators, F 16 D)

13/

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 B 60 T 8/00; valves incorporated in such systems B 60 T 15/00)

13/

with mechanical assistance or drive

13/

by spring or weight (fluid-released B 60 T 13/10)

13/

by inertia, e.g. flywheel

13/

Overrun brakes (automatic brake-action initiating means specially adapted for trailers B 60 T 7/20)

13/

with fluid assistance, drive, or release

13/

the fluid being liquid

Note

In groups B 60 T 13/122 to B 60 T 13/20, it is desirable to add the indexing codes from groups B 60 T 101:00 to B 60 T 105:00. The indexing codes should be unlinked. [6]

13/

122

Systems using both master cylinder and distributor valve; Structural associations of master cylinder with distributor valve [6]

13/

125

Systems using brake pressure distributor valve without master cylinder [6]

13/

128

Systems using booster hydraulically combined with master cylinder [6]

13/

with additional direct hydraulic output from booster to brake circuit [6]

13/

132

Systems using booster having mechanical output, e.g. to master cylinder [6]

13/

135

Boosters characterised by control valve in booster piston [6]

13/

138

Pressure supply arrangements [6]

13/

using accumulators or reservoirs [6]

13/

using pumps directly, i.e. without interposition of accumulators or reservoirs [6]

13/

with control of pump output delivery [6]

13/

with control of pump driving means [6]

13/

Brakes applied by springs or weights and released hydraulically

13/

the fluid being gaseous

13/

Compressed-air systems

13/

direct, i.e. brakes applied directly by compressed air

13/

Brakes applied by springs or weights and released by compressed air

13/

indirect, i.e. compressed-air booster units

13/

with two-chamber booster units

13/

with multiple booster units, e.g. tandem booster units [5]

13/

Vacuum systems

13/

direct, i.e. brakes applied directly by vacuum

13/

Brakes applied by springs or weights and released by vacuum

13/

indirect, i.e. vacuum booster units

13/

with two-chamber booster units

13/

563

with multiple booster units, e.g. tandem booster units [5]

13/

565

characterised by being associated with master cylinders, e.g. integrally formed [5]

13/

567

characterised by constructional features of the casing or by its strengthening or mounting arrangements [5]

13/

569

characterised by piston details, e.g. construction, mounting of diaphragm [5]

13/

characterised by constructional features of control valves [5]

13/

573

characterised by reaction devices [5]

13/

575

using resilient discs or pads [5]

13/

577

using levers [5]

13/

Combined or convertible systems

13/

both fluid pressure and vacuum

13/

both straight and automatic

13/

both single and multiple, e.g. single and tandem

13/

Electrical control in fluid-pressure brake systems

13/

by electrically-controlled valves

13/

by fluid-controlled switches

13/

in vacuum systems

13/

with electrical assistance or drive

15/

Construction, arrangement, or operation of valves incorporated in power brake systems and not covered by groups B 60 T 11/00 or B 60 T 13/00 (valve structures responsive to a speed condition B 60 T 8/34; connection of valves to inflatable elastic bodies B 60 C 29/00) [4]

15/

Application and release valves

15/

Driver's valves

15/

Single driver's valves for pressure brakes without automatic control

15/

Driver's valves for pressure brakes having automatic control (automatic initiation of braking in general B 60 T 7/12)

15/

for vacuum brakes

15/

combined with relay valves or the like

15/

influencing electric control means

15/

Arrangements enabling systems to be controlled from two or more positions

15/

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

15/

controlled by two fluid pressures

15/

with one or more auxiliary valves, for braking, releasing, filling reservoirs

15/

controlled by three fluid pressures

15/

without a quick braking action

15/

and having auxiliary valves

15/

with a quick braking action

15/

and having auxiliary valves

15/

controlled alternatively by two or three fluid pressures

15/

Other control devices or valves characterised by definite functions

15/

for quick take-up and heavy braking, e.g. with auxiliary reservoir for taking-up slack

15/

with separate take-up and applying cylinders

15/

with a quick braking action, i.e. with accelerating valves actuated by brake-pipe pressure variation

15/

and operating independently of the main control device

15/

for retarding braking action to prevent rear vehicles of a vehicle train from overtaking the forward ones

15/

for filling reservoirs

15/

with means for limiting or relieving pressure in reservoirs

15/

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

15/

for controlling exhaust from triple valve or from brake cylinder

15/

for filling reservoirs by means of a secondary supply pipe

15/

for supplying control impulses through a secondary air pipe

15/

for releasing or applying brakes when vehicles of a vehicle train are uncoupled

17/

Component parts, details, or accessories of brake systems not covered by groups B 60 T 8/00, B 60 T 13/00 or B 60 T 15/00, or presenting other characteristic features (air compressors F 04) [4]

17/

Arrangements of pumps or compressors, or control devices therefor

17/

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 B 60 D 1/62; couplings peculiar to railway vehicles for, or combined with, couplings or connectors for fluid conduits or electric cables B 61 G 5/06; pipes, cut-off valves, couplings, air hoses per se F 16 C, F 16 K, F 16 L) [4]

17/

Applications or arrangements of reservoirs

17/

Brake cylinders other than ultimate actuators (with built-in wear-compensating mechanisms, ultimate actuators F 16 D)

17/

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

17/

according to vehicle weight

17/

according to vehicle speed

17/

Locking of brake cylinders

17/

Safety devices; Monitoring

17/

Safety devices operable by passengers other than the driver

17/

Devices for monitoring or checking brake systems; Signal devices

Indexing scheme associated with groups B 60 T 13/122 to B 60 T 13/20, relating to pressure supply arrangements. The indexing codes should be unlinked. [6]

Note

Attention is drawn to Chapter IV of the Guide which sets forth the rules concerning the application and presentation of the different types of indexing code. [6]

101:

Accumulators [6]

103:

Pumps [6]

105:

Reservoirs [6]

B60T - B60T 11/34