a number of ribs having different heights Hr

18:18 Aug 28, 2008
English to Spanish translations [PRO]
Law/Patents - Patents
English term or phrase: a number of ribs having different heights Hr
I need to know what´s the meaning of "height s Hr" in this sentence from a contamination avoiding device patent:

"A removable positioning rib 75 can be fastened to project from a outer face 76 of the first proximal wing 71 to engage the antecubital fossa to help prevent migration of the device in persons having well developed musculature. A number of ribs having different heights Hr can be provided in a kit allowing adaptation of the hinge device to suit different anatomies. The rib can be removably fastened to the wing by means of a tongue-in-groove type fastener.

Thank you soooo much in advance.
Local time: 18:31

Summary of reference entries provided
liz askew


Reference comments

14 mins

Reference information:
For a start HR should be in brackets:

An improved heat transfer tube (10) having an inner surface, an inner diameter (Di), a longitudinal axis (aT) and a plurality of ribs and grooves formed on said inner surface, each of said ribs having a base, two opposite sides, an apex angle ( beta ) between said sides, a height (HR) and an angle of inclination ( alpha ) with respect to said longitudinal axis, in which the improvement comprises: said angle of inclination being between 30 and 45 degrees; the ratio of said rib height to said tube inner diameter being between 0.018 and 0.03; the width (WR) of said base being between 0.127 and 0.254 mm (0.005 and 0.01 inch); said apex angle being between 0 and 60 degrees; and the number of ribs per unit length of said tube's inner circumference ( pi Di) being between 10 and 24 per cm (26 and 60 per inch).

Note added at 14 mins (2008-08-28 18:33:24 GMT)


probably =

height ratio

Note added at 15 mins (2008-08-28 18:33:42 GMT)

Here is the site:


Note added at 16 mins (2008-08-28 18:35:13 GMT)

V-ribbed belt and method for fabricating the same - US Patent 6350182
In this belt, the number of bottom-face-side ribs 3 was three, the number of ... Further, the height hr (hr1 or hr2) of each rib 3, 4 was 2.5 mm, ...
www.patentstorm.us/patents/6350182-description.html - Similar pages

Note added at 17 mins (2008-08-28 18:36:21 GMT)

Here is something else:

Aa = web area (mm2)
Af = flange area (mm2)
Al = sheet area (mm2)
Ar = rib area (mm2)
b = spacing between ribs (mm)
E = elasticity modulus (N/mm2)
Er = reduced elasticity modulus (N/mm2)
ea = web thickness (mm)
eb = base thickness (mm)
ef = flange thickness (mm)
Gr = shearing elasticity modulus (N/mm2)

h = height between flange and base center (mm)
ha = web height (mm)
hr = rib height (mm)
If = flange index (mm)
It = torsional inertia momentof rib (mm)

Note added at 18 mins (2008-08-28 18:37:03 GMT)


Results 1 - 10 of about 2,840,000 for height rib height. (0.23 seconds)
Search Results

Effects of Rib Height on Heat Transfer Performance Inside a High ...
The experiments were performed for three rib heights—h = 3 mm, h = 2 mm, and h = 1 mm (h-rib height)—for two rib arrangements, transverse (90°) and inclined ...
www.begellhouse.com/journals/4c8f5faa331b09ea,6c6e1f58370cb... - 19k - Cached - Similar pages

Note added at 24 mins (2008-08-28 18:43:23 GMT)

Rib, armadura, puntal, refuerzo (de placa), nervadura, varenga (de buque), costilla , ( Ingeniería aeroespacial ) Miembro transversal de la estructura que le da forma a la sección y resistencia a una porción de una superficie aerodinámica ; rib flange, chapa de nervadura; rib motor, motor con nervaduras; rib nose, borde de costilla; bearing rib , reborde, talón (ferrocarril); centre rib , alma de carril, barra de carril, cuerpo de carril; cutaway rib , nervadura vaciada; glued rib , nervadura pegada; hollow rib , nervadura hueca; ¡ron rib , cuaderna de hierro; longitudinal rib, nervio longitudinal; metal rib , nervio metálico; nose rib , costilla del borde de ataque; ribs of a ship, varenga de un buque; solid rib , nervadura llena; stiffening rib, nervadura de refuerzo; strengthened rib , nervadura reforzada; tacked rib , nervadura clavada; trailing edge rib , nervadura de borde de fuga; transversal rib , nervadura transversal; ventilated rib motor, motor con nervaduras ventiladas; web of rib , alma de nervadura.

liz askew
United Kingdom
Native speaker of: Native in EnglishEnglish
PRO pts in category: 4
Note to reference poster
Asker: Muchísimas gracias. Tengo otra duda: "rib" podría ser "varilla"?

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