Water prepulsion system outlet channel end section and main channel modifications for marine and commercial vessels

An outlet channel for a water jet propulsion system comprises a first section 5, where water enters the channel, having a constant cross-sectional area, with a first stepped restriction point 1 linking said first section to a second section 4 with a smaller but constant cross-sectional area. The sec...

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Main Authors PATRICIA ANN BOOTH, GRAHAM MERVYN BOOTH
Format Patent
LanguageEnglish
Published 17.09.2008
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Abstract An outlet channel for a water jet propulsion system comprises a first section 5, where water enters the channel, having a constant cross-sectional area, with a first stepped restriction point 1 linking said first section to a second section 4 with a smaller but constant cross-sectional area. The second section is then linked to a third section 3 with a smaller cross-sectional area than the second section by a second stepped restriction point 2. Water is expelled from the end 6 of the third section of the channel. Each section of the outlet channel has a common longitudinal axis and the stepped reductions in the outlet channel's cross-sectional area increase the pressure of the water exiting said outlet channel. The application also discloses an outlet channel (1, Fig 1) of circular cross section with a cylinder (4, Fig 1) of circular cross-section mounted by means of four securing plates (3, Fig 1) at the centre of the outlet.
AbstractList An outlet channel for a water jet propulsion system comprises a first section 5, where water enters the channel, having a constant cross-sectional area, with a first stepped restriction point 1 linking said first section to a second section 4 with a smaller but constant cross-sectional area. The second section is then linked to a third section 3 with a smaller cross-sectional area than the second section by a second stepped restriction point 2. Water is expelled from the end 6 of the third section of the channel. Each section of the outlet channel has a common longitudinal axis and the stepped reductions in the outlet channel's cross-sectional area increase the pressure of the water exiting said outlet channel. The application also discloses an outlet channel (1, Fig 1) of circular cross section with a cylinder (4, Fig 1) of circular cross-section mounted by means of four securing plates (3, Fig 1) at the centre of the outlet.
Author PATRICIA ANN BOOTH
GRAHAM MERVYN BOOTH
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Snippet An outlet channel for a water jet propulsion system comprises a first section 5, where water enters the channel, having a constant cross-sectional area, with a...
SourceID epo
SourceType Open Access Repository
SubjectTerms MARINE PROPULSION OR STEERING
PERFORMING OPERATIONS
RELATED EQUIPMENT
SHIPS OR OTHER WATERBORNE VESSELS
TRANSPORTING
Title Water prepulsion system outlet channel end section and main channel modifications for marine and commercial vessels
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