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US 2017/0023183 A1Published application
Fluid acceleration pipe
OwnerNan-Chi Chen, Wang-Chun Chen +1inventors
InventorsNAN-CHI CHEN, WANG-CHUN CHEN, CHIEN-HUNG CHEN
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OwnerNan-Chi Chen, Wang-Chun Chen +1inventors
InventorsNAN-CHI CHEN, WANG-CHUN CHEN, CHIEN-HUNG CHEN
Estimating the term…
The fluid acceleration pipe includes a main body having a pipe cavity and defining a central axis. The whole inner surface of the main body is exposed to the pipe cavity. The main body is formed with at least 3 spiral ribs arranged spacedly along a perimeter direction of the main body. A spiral groove is formed between any two adjacent ones of the spiral ribs. A column-shaped imaginary datum plane is defined by the most bottom portion of each spiral groove about the central axis. A projection of the most top portion of each spiral rib on the imaginary datum plane defines a spiral line. The lead angle of the spiral line is 50 to 60 degrees. The top portion of each spiral rib has a convex-arc-shaped surface, and the bottom portion of each spiral groove has a concave-arc-shaped surface.
A fluid acceleration pipe, including a main body, the main body having a pipe cavity and defining a central axis, a whole part of an inner surface of the main body being exposed to the pipe cavity, the main body being formed with at least 3 spiral ribs arranged spacedly along a perimeter direction of the main body, a spiral groove being formed between any two adjacent ones of the spiral ribs, an imaginary datum plane being defined by a most bottom portion of each spiral groove about the central axis, the imaginary datum plane being column-shaped, a projection of a most top portion of each spiral rib on the imaginary datum plane defining a spiral line, a lead angle of the spiral line being 50 to 60 degrees, the top portion of each spiral rib having a convex-arc-shaped surface, the bottom portion of each spiral groove having a concave-arc-shaped surface.
A fluid acceleration pipe, including an outer sleeve and a main body, the outer sleeve being sleeved onto the main body and being rotatable with respect to the main body, the main body having a pipe cavity and defining a central axis, a whole part of an inner surface of the main body being exposed to the pipe cavity, the main body being formed with at least 3 spiral ribs arranged spacedly along a perimeter direction of the main body, a spiral groove being formed between any two adjacent ones of the spiral ribs, an imaginary datum plane being defined by a most bottom portion of each spiral groove about the central axis, the imaginary datum plane being column-shaped, a projection of a most top portion of each spiral rib on the imaginary datum plane defining a spiral line, a lead angle of the spiral line being 50 to 60 degrees, the top portion of each spiral rib having a convex-arc-shaped surface, the bottom portion of each spiral groove having a concave-arc-shaped surface.
Dependencies are inferred from the claim text.