ISO 7967-6:2022 レシプロ内燃エンジン—コンポーネントとシステムの用語、語彙— Part 6: 潤滑システム | ページ 6

3.1.1

無加圧潤滑

潤滑油をポンプ圧で供給するのではなく、被潤滑面に堆積させる方式

3.1.2

ガソリン中油潤滑

石油潤滑

燃料に潤滑油を一定の割合で添加し、エンジンの潤滑部分に付着させるシステム

3.1.3

圧送潤滑

加圧潤滑

エンジンの可動部分に 1 つまたは複数のポンプから潤滑油が供給されるシステム

3.1.4

重力送り潤滑

重力給油

重力の影響下でエンジンの可動部分に潤滑油が供給されるシステム

3.1.5

点滴給油

エンジンの可動部分に潤滑油が滴状で供給されるシステム

3.2.1

main running gear lubrication

type or combination of lubricating systems in which the crankshaft bearings, connecting rod bearings, piston-pin bearings, crosshead guiderails, bearings and guideways of the valve gearing, and in some cases also the cylinders and the piston slideway of the cylinders, are supplied with lubricating oil

3.2.2

dip lubrication

non-pressurized lubricating system in which the lubricating oil is taken from the sump or oil pan by dipping moving parts and is thrown into the crankcase and/or the bearings

3.2.3

wet sump force-feed lubrication

force-feed lubricating system in which the lubricating oil is collected in the engine sump, which serves as a lubricating oil tank (3.3.21)

3.2.4

dry sump force-feed lubrication

force-feed lubricating system in which the lubricating oil is collected in a separate lubricating oil tank (3.3.21) , continuously scavenged from the engine sump and passed back to the lubricating oil tank

Note 1 to entry: See Figure 3.

3.2.5

splash lubrication

method of lubricating the engine by relying on lubricating oil thrown by moving parts of the engine

3.2.6

cylinder lubrication

type or combination of lubricating systems for specially supplying the cylinder liners with lubricating oil

3.2.7

supplementary lubrication

method of lubricating engine parts more than is needed in ordinary working conditions to increase the supply of lubricating oil

3.2.8

independent lubrication

method of lubricating the engine parts in which all the lubricating oil is supplied from a source that is independent of the engine

3.3.1

lubricating oil filter

filter for the cleaning of lubricating oil

[SOURCE:ISO 11841-1:2000, 3.2.4, modified — Notes deleted.]

3.3.2

lubricating oil suction strainer

coarse filter at the entry to the lubricating oil pump suction pipe

3.3.3

single-stage lubricating oil filter

filter in which the lubricating oil passes through only one grade of filter element (3.4.3)

3.3.4

two-stage lubricating oil filter

filter in which the filtration is carried out in two serially connected stages of either the same or different filtration efficiencies

[SOURCE:ISO 11841-1:2000, 3.3.2, modified — Notes deleted.]

3.3.5

rotating centrifugal lubricating oil filter

centrifuge

filter for separation of solid particles or contaminants by centrifugal force due to spinning of the lubricant oil

3.3.6

full-flow lubricating oil filter

filter through which the total volume of fluid delivered to a system flows

Note 1 to entry: See Figure 7.

[SOURCE:ISO 11841-1:2000, 3.4.1, modified — Note 1 to entry added.]

3.3.7

bypass lubricating oil filter

filter through which a partial flow, which is branched off from the total volume, flows

Note 1 to entry: See Figure 8.

[SOURCE:ISO 11841-1:2000, 3.4.2, modified — Notes deleted and Note 1 to entry added.]

3.3.8

spin-on cartridge lubricating oil filter

filter that is screwed onto a filter head or cover, or indirectly on a mounting base on the engine block, and which is replaced as a whole together with its integrated filter element (3.4.3) for maintenance

Note 1 to entry: The spin-on cartridge lubricating oil filter may include the filter element bypass component and the anti-drain valve (3.3.27) .

Note 2 to entry: The spin-on cartridge lubricating oil filter is also referred to as a throwaway type filter. The complete unit, i.e. the spin-on filter with head or cover, is also referred to as a complete or box filter.

Note 3 to entry: See Figure 9.

[SOURCE:ISO 11841-1:2000, 3.7.1, modified — Notes 1 and 3 to entry added.]

3.3.9

detachable lubricating oil filter

lubricating oil filter that can be taken off, and in which the element is disposable and replaceable during maintenance

Note 1 to entry: Filter housing (3.4.1) and filter cover (3.4.2) are reusable.

3.3.10

duplex lubricating oil filter

filter usually with two units, one of which is shut off during maintenance while the other continues to function

Note 1 to entry: Operation is not interrupted when replacing the contaminated filter element or spin-on filter, and the operation is suggested in idle speed condition.

Note 2 to entry: See Figure 10.

[SOURCE:ISO 11841-1:2000, 3.7.3, modified — Note 2 to entry added.]

3.3.11

back-flushing lubricating oil filter

filter in which inner elements or cartridges can be cleaned continuously [or intermittently by disconnecting the filter elements (3.4.3) ] using reverse flow (back-flushing)

Note 1 to entry: No interruption of the operation is necessary.

3.3.12

automatic lubricating oil filter

filter in which the cleaning of the filter elements (3.4.3) is done automatically and back-flush is an integral part of the filter construction

Note 1 to entry: No interruption of the operation is necessary. The cleaning procedure can be started manually (semi-automatic) or by a contactor (fully automatic).

3.3.13

lubricating oil pump

pump providing the force-feed circulation of the lubricating oil and its delivery to the moving parts of the engine

Note 1 to entry: It can also provide the force to drive some parts, e.g. rotating centrifugal lubricating oil filter (3.3.5) .

3.3.14

lubricating oil scavenging pump

pump which draws lubricating oil from the engine sump and pumps it into the oil tank on dry sump engines

3.3.15

lubricator

pump which supplies a given quantity of lubricating oil periodically to specific parts of the engine

Note 1 to entry: Lubricator may also refer to the person doing the lubricating job or the oil used for lubricating.

3.3.16

oil pressure relief valve

valve to prevent the lubricating oil pressure in the lubricating system from rising above a predetermined value

3.3.17

oil pressure regulating valve

valve which regulates the lubricating oil pressure in any part of the lubricating system to a predetermined value

3.3.18

oil level indicator

component or system which indicates the lubricating oil level

3.3.19

dipstick

stick with graduation marks, located in the oil tank or oil sump, for checking the quantity or level of lubricating oil in the engine

Note 1 to entry: The dipstick is usually used as a kind of oil level indicator (3.3.18) .

3.3.20

oil pressure gauge

component used to indicate and measure the lubricating system oil pressure

3.3.21

lubricating oil tank

vessel which acts as a reservoir from which the lubricating oil pump (3.3.13) draws lubricating oil

Note 1 to entry: The tank may be formed by the engine sump (wet sump system) or may be a separate vessel (dry sump system).

3.3.22

oil gallery

gallery which allows the passage of oil from the sump, via the oil pump, to all parts of the engine that have moving parts in contact or that have components needing cooling that are otherwise hard to reach

3.3.23

dirty oil gallery

gallery located between the oil pump outlet and the oil cooler and filter unit, filled with dirty oil

3.3.24

main oil gallery

gallery which transports suitable oil to moving parts or other parts which need driving power, usually located in the engine body

Note 1 to entry: See Figure 14.

3.3.25

PCJ oil gallery

gallery which transports oil to the piston-cooling jet

Note 1 to entry: See Figure 14.

3.3.26

piston-cooling jet valve

valve which regulates the lubricating oil pressure of the PCJ oil gallery (3.3.25) to get the precise volume of the piston-cooling jet

Note 1 to entry: It is located between the main oil gallery (3.3.24) and the PCJ oil gallery.

3.3.27

anti-drain valve

valve that prevents the filter from emptying when the engine is stopped

Note 1 to entry: See Figure 15.

[SOURCE:ISO 11841-1:2000, 5.1.4, modified — term revised and Note 1 to entry added.]

3.3.28

oil temperature control valve

valve which regulates the oil flow through the oil cooler

Note 1 to entry: The oil flows into the oil filter without cooling at a low temperature and flows through the oil cooler and oil filter in turn at a high temperature.

3.3.29

variable oil pump

oil pump whose output flow is adjusted in real time according to the actual demand in different working conditions

Note 1 to entry: The variable oil pump usually includes a solenoid valve whose opening can be controlled by full MAP.

3.4.1

filter housing

part of a filter, the purpose of which is to hold and locate the filter element (3.4.3) or filter insert (3.4.4) constructed as a ported enclosure that directs the flow of fluid through the filter element

Note 1 to entry: The filter housing is usually made of metal or composite materials.

3.4.2

filter cover

part of a filter, the purpose of which is to close the filter housing (3.4.1) and to clamp the filter element (3.4.3)

3.4.3

filter element

part of a filter, the purpose of which is to retain the insoluble contaminant

3.4.4

filter insert

combination of a filter element (3.4.3) or several elements with supporting parts

3.4.5

rotor drum

part of a rotating centrifugal lubricating oil filter (3.3.5) where the filtering takes place

Note 1 to entry: The term “rotor” is used in separately driven centrifuges and “drum” in free-jet centrifuges.

3.4.6

drain valve

valve which is part of the filter unit, triggered after the removal of the dirty filter element (3.4.3) during maintenance to ensure that the dirty oil in the filter housing (3.4.1) is discharged and closed when the engine is running normally

3.4.7

bypass valve

valve that provides for the bypassing of the filter element (3.4.3) when the differential pressure across the element exceeds the maximum permissible value

Note 1 to entry: This prevents the destruction of the filter element and ensures the system supply in the event of extreme plugging of the filter element, for instance.

[SOURCE:ISO 11841-1:2000, 5.1.5]

3.5.1

crankcase oil

lubricating oil held in an oil pan or oil tank and fed from there to the engine parts as required

3.5.2

cylinder oil

lubricating oil which is supplied directly to the inside surface of the engine cylinders independently of the main engine lubricating system, particularly for larger engines

3.5.3

system oil

lubricating oil which is supplied independently of the cylinder oil system