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LOCOMOTIVES; MOTOR RAILCARS (vehicles in general B60; frames or bogies B61F; special railroad equipment for locomotives B61J, B61K)
Definition statement
This subclass/group covers:

General design features or items of locomotives and motor railcars, and non-electric features of electric locomotives. Locomotive or motor railcars are vehicles that pulls other vehicles and are provided with a drive unit.

References relevant to classification in this group
This subclass/group does not cover:
Frames or bogies
Special railroad equipment for locomotives
Informative references
Attention is drawn to the following places, which may be of interest for search:
Vehicles in general
Steam locomotives or railcars (engines F01; characterised by power transmissions B61C 9/00; boilers F22B)
Definition statement
This subclass/group covers:

Improvement of devices of the steam-driven locomotive and motor railcars.

Typical examples are:

  • Improvements of steam-driven locomotives to allow better articulation.
  • Improvements of the locomotive boiler.
  • Improvements of the throttle valves for high pressure steam locomotives.
  • Arrangement of locomotive parts to improve visibility of the driver.

Following drawing shows one example:

References relevant to classification in this group
This subclass/group does not cover:
characterised by power transmissions
Informative references
Attention is drawn to the following places, which may be of interest for search:
Steam engine plants
F01K15/02B
Locomotives with combined steam and other types of engine, e.g. IC engine
Engines
Boilers
Electric locomotives or railcars (characterised by power transmission B61C 9/00; electrical features B60L; H02)
Definition statement
This subclass/group covers:

General design of locomotives of the electric type, and electric locomotives with battery power.

Following drawing shows an example:

References relevant to classification in this group
This subclass/group does not cover:
characterised by power transmission
Informative references
Attention is drawn to the following places, which may be of interest for search:
For tramway
Electric propulsion, e.g. circuits, devices
Electrical features
B60L, H02
Locomotives or motor railcars with IC engines or gas turbines (characterised by power transmission B61C 9/00; engines F02)
Definition statement
This subclass/group covers:

General design and improvements aspects of locomotives with IC (Internal combustion engine) or gas turbine.

Following drawing shows one example:

References relevant to classification in this group
This subclass/group does not cover:
characterised by power transmission
Informative references
Attention is drawn to the following places, which may be of interest for search:
Filtering, cooling, or silencing cooling air
Engines
F02
Arrangement or disposition of intakes and apparatus for supplying, circulating, and filtering air for combustion and engine-cooling purposes
Definition statement
This subclass/group covers:

Arrangement or disposition of air intakes for combustion or engine-cooling;

Arrangement or disposition of apparatus for supplying, circulating or filtering of air for combustion or engine-cooling

Example (US2666497):

Arrangement of a ventilating and filtering system for a diesel-electric driven locomotive.

Informative references
Attention is drawn to the following places, which may be of interest for search:
Arrangement or disposition of driving cabins, footplates or engine room
B61C17/[CpcRefSymbol=04]
Other locomotives or motor railcars
Definition statement
This subclass/group covers:

Locomotives or motor railcars that are not of the steam or electric type or not provided with an IC (internal combustion) engines or gas turbines.

Such locomotives could be:

  • Hybrid locomotives with regenerative energy storage system.
  • Locomotives comprising a main driving engine and an additional driving engine of a different type.
  • Locomotives drived by compressed air.
  • Flywheel energy strorage combined with a prime motor.
Informative references
Attention is drawn to the following places, which may be of interest for search:
Hybrid propulsion systems
Filling stations for steam- or pneumatic-accumulator locomotives or motor railcars
Definition statement
This subclass/group covers:

Devices specially adapted for emptying, washing-out or refilling locomotives boilers.

Following drawing shows one example:

Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars (machine elements F16)
Definition statement
This subclass/group covers:

Transmission systems of locomotives of the steam or electric type or locomotives provided with an IC

engines or gas turbines. This main-group covers apparatus and methods to determine the transfer of power from the motor unit to the driven wheels. Such apparatus are for example:

  • Gear units for locomotives.
  • Direct drive electric motor for wheelset.
  • Electrohydraulic railway vehicle drive.
  • Elastic drive coupling for drive wheel.

Following drawings show two examples:

Informative references
Attention is drawn to the following places, which may be of interest for search:
Motor engine
Combination of mechanical gearing with fluid gearing
Machine elements
F16
Locomotives or motor railcars characterised by the type of means applying the tractive effort; Arrangement or disposition of running gear other than normal driving wheel (constructions wheels B60B)
Definition statement
This subclass/group covers:

Locomotives or motor railcars wherein the tractive effort is not directly applied on normal driving wheels.

Typical examples are:

  • Transportation system using magnetic belt propulsion.

Following drawings show two examples:

Informative references
Attention is drawn to the following places, which may be of interest for search:
Racks
Constructions wheels
Locomotives or motor railcars characterised by their application to special systems or purposes (B61C 11/00 takes precedence; self-propelled scaffold cars, break-down cranes, inspection trolleys B61D 15/00; general design of track recording vehicles B61K 9/00)
Definition statement
This subclass/group covers:

Locomotives or motor railcars that are not of the conventional type, thus for special applications.

Typical examples are:

  • Locomotives for towing ships.
  • Article sorter with self-driving transport base.

Following drawing shows one example:

References relevant to classification in this group
This subclass/group does not cover:
Locomotives or motor railcars characterised by the type of means applying tractive effort
Self-propelled scaffold cars, break-down cranes, inspection trolleys
General design of track recording vehicles
Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels (propelling locomotives or motor railcars by special means B61C 11/00; driving wheels with non-slipping devices B60B; brakes B61H; wetting or lubricating rails B61K)
Definition statement
This subclass/group covers:

All devices and methods to improve the rail-wheel contact of a locomotive or motor railcar.

Typical examples are:

  • Devices for spraying antislip material.
  • Piston control for sanding systems.
  • System preventing a wheel flat.
  • Friction control between wheel and rail.
  • Magnet coil assembly for increasing the traction.

Following drawing shows one example:

References relevant to classification in this group
This subclass/group does not cover:
Propelling locomotives or motor railcars by special means
Wetting or lubricating rails
Informative references
Attention is drawn to the following places, which may be of interest for search:
Driving wheels with non-slipping devices
Brakes
Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
Definition statement
This subclass/group covers:

Arragement or disposition of mechanical or electric parts in the locomotive. This main-group includes also methods and systems for controlling the locomotive.

Typical examples are:

  • Locomotive engine housing arrangement.
  • Radio control systems for locomotives.
  • Ventilation grille for railway vehicle engine.
  • Comfort improvement of the driver cabin.
  • Battery mounting structure, hybrid propulsion.
  • Fuel efficiency improvements for locomotives.

Following drawing shows one example:

Informative references
Attention is drawn to the following places, which may be of interest for search:
Tanks for vehicles
TV systems and cameras
Installation of electric cables
Cooling
Remote controlling of the vehicle
Dead-man's devices
Conjoint control of propulsion unit and brake systems
Arrangement or disposition of driving cabins, footplates or engine rooms; Ventilation thereof (driving cabins and accessories B61D)
Definition statement
This subclass/group covers:

Example (DE20111859U): Arrangement of a driver's stand

Example (EP0783987): Ventilation of the driver’s cabin

References relevant to classification in this group
This subclass/group does not cover:
Driving cabins and accessories
Informative references
Attention is drawn to the following places, which may be of interest for search:
Supplying, circulating, and filtering air for combustion and engine-cooling purposes
B61C5/[CpcRefSymbol=02]
Engine rooms
Lubrication systems (in general F16N)
Definition statement
This subclass/group covers:

Lubrication systems specially adapted for rail vehicles

Example (US2738242): Lubricators for traction motor suspension bearings of diesel locomotives.

Informative references
Attention is drawn to the following places, which may be of interest for search:
Wetting or lubricating rails or wheel flanges
B61K3/[CpcRefSymbol=00]
Lubrication in general
Control gear; Arrangements for controlling locomotives from remote points in the train or when operating in multiple units (control from points outside the train B61L 3/00; fluid-actuated telemotors, servomotors F15B; control devices in general G05)
Definition statement
This subclass/group covers:

Remote control of locomotives, e.g. in a switchyard;

Control of multiple remote units by a single control device

Example (US2005205720): Remotely controlled locomotive in a switchyard using radio transmitting devices for remote control by rail yard personnel.

Example:

Control lever (2) which can be moved to one of several different positions to control the traction and braking unit of the railway.

Informative references
Attention is drawn to the following places, which may be of interest for search:
Arrangement or mounting of propulsion units or of transmissions in vehicles
Control from points outside the train
Fluid-actuated telemotors, servomotors
Control devices in general
G05
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Last Modified: 10/11/2013