Use of propulsion power plant or units on vessels (use of outboard propulsion units B 63 H 20/00; hull reinforcements for carrying propulsion power plant or units B 63 B 3/70; propulsion power plant or units per se, see the relevant classes) [6]
Note
This group covers:
-
arrangements of propulsion power plant or units on vessels;
-
to some extent, adaptations of such plant or units to facilitate such arrangements.
21
/
02
•
the vessels being steam-driven (B 63 H 21/18 takes precedence)
21
/
04
•
•
relating to positive-displacement steam engines
21
/
06
•
•
relating to steam turbines
21
/
08
•
•
relating to steam boilers
21
/
10
•
•
relating to condensers or engine-cooling fluid heat-exchangers
by hydraulic fluid motor, i.e. wherein a liquid under pressure is utilised to rotate the propelling means [4]
21
/
17
•
•
by electric motor (electrically-propelled vehicles B 60 L) [4]
21
/
175
•
the vessel being powered by land vehicle supported by vessel [4]
21
/
18
•
the vessels being powered by nuclear energy
21
/
20
•
the vessels being powered by combinations of different types of propulsion units
21
/
21
•
Control means for engine or transmission, specially adapted for use on marine vessels [4]
21
/
22
•
the propulsion power units being controlled from exterior of engine room, e.g. from navigation bridge; Arrangements of order telegraphs (order telegraphs per seG 08 B 9/00)
Mounting of propulsion plant or unit, e.g. for anti-vibration purposes (hull reinforcements therefor B 63 B 3/70; vibration-dampers, suppression of vibration in systems F 16 F; engine beds F 16 M)
21
/
32
•
Arrangements of propulsion power-unit exhaust uptakes; Funnels peculiar to vessels (engine exhausts in general F 01 N; flue devices for furnaces in general F 23 J)
21
/
34
•
•
having exhaust-gas deflecting means
21
/
36
•
Covers or casing arranged to protect plant or unit from marine environment (hull construction B 63 B 3/00) [4]
21
/
38
•
Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like (lubricating or cooling engines in general F 01 to
F 04) [4]
23
/
00
Transmitting power from propulsion power plant to propulsive elements (changing pitch of propellers B 63 H 3/00; adaptation of transmission to allow adjustment in direction of propellers B 63 H 5/125; transmission between wind motors and propulsive elements
B 63 H 13/00, in outboard propulsion units B 63 H 20/14; adaptation of transmission to allow adjustment of location of propellers B 63 H 20/08; for vehicles in general B 60 K; driving auxiliary machinery B 63 J; transmission elements per seF 16)
23
/
02
•
with mechanical gearing
23
/
04
•
•
the main transmitting element, e.g. shaft, being substantially vertical
23
/
06
•
•
for transmitting drive from a single propulsion power unit
23
/
08
•
•
•
with provision for reversing drive
23
/
10
•
•
for transmitting drive from more than one propulsion power unit (for synchronisation of propulsive elements B 63 H 23/28)
23
/
12
•
•
•
allowing combined use of the propulsion power units
23
/
14
•
•
•
•
with unidirectional drive or where reversal is immaterial
23
/
16
•
•
•
•
characterised by provision of reverse drive
23
/
18
•
•
•
for alternative use of the propulsion power units
23
/
20
•
•
•
•
with separate forward and astern propulsion power units, e.g. turbines
23
/
22
•
with non-mechanical gearing
23
/
24
•
•
electric
23
/
26
•
•
fluid
23
/
28
•
with synchronisation of propulsive elements
23
/
30
•
characterised by use of clutches
23
/
32
•
Other parts
23
/
34
•
•
Propeller shafts; Paddle-wheel shafts; Attachment of propellers on shafts (shafts in general F 16 C; attachment of a member on a shaft in general F 16 D 1/06)
23
/
35
•
•
•
Shaft braking or locking, i.e. means to slow or stop the rotation of the propeller shaft or to prevent the shaft from initial rotation [4]
23
/
36
•
•
Shaft tubes (propeller-shaft tunnels B 63 B 11/06; shaft-tube seals F 16 J)
