1. An aircraft nacelle comprising:
two ducts, a first duct secured to an air intake and a second duct secured to a powerplant,
the ducts being arranged coaxially in a longitudinal direction, in contact with one another at a junction plane and joined together by a connection which comprises a plurality of through holes oriented in the longitudinal direction and connecting elements housed in the through holes,
each connecting element comprising a shank with, at each end, lands allowing the ducts to be joined together,
at least one through hole of at least one of the two ducts having an oblong section with the largest dimension oriented to allow relative rotation of the two ducts about an axis in the longitudinal direction.
2. The aircraft nacelle according to claim 1, wherein the oblong sections have a central portion delimited by two straight edges perpendicular to a radial direction.
3. The aircraft nacelle according to claim 1, wherein the oblong sections have a central portion delimited by two circular-arc-shaped edges which are centered with respect to the axis of the ducts.
4. The aircraft nacelle according to claim 2, wherein the oblong sections have circular-arc-shaped ends, a diameter of which is greater than a distance separating the two edges.
5. The aircraft nacelle according to claim 1, wherein the oblong sections have a central portion delimited by two edges of non-constant separation.
6. The aircraft nacelle according to claim 1, wherein the shank has a diameter substantially equal to a smallest dimension of a smallest section.
7. The aircraft nacelle according to claim 1, wherein a smallest dimension of a smallest section is greater than a diameter of the shank.
8. The aircraft nacelle according to claim 7, wherein the connecting element comprises an element intercalated between the shank and edges of the central portion, the element having two edge faces facing one another and the shapes of which are identical to the edges of the oblong shape.
9. The aircraft nacelle according to claim 8, wherein the element is separate from the lands of the connecting element.
10. The aircraft nacelle according to claim 8, wherein the element is incorporated into one of the lands of the connecting element.
11. The aircraft nacelle according to claim 1, wherein the oblong sections each have a central portion with edges which comprise circular-arc-shaped portions of a diameter equal, to within the clearance, to the diameter of the shank, the distance separating the edges outside of the circular-arc-shaped portions being less than the diameter of the shank.
12. The aircraft nacelle according to claim 1, wherein one of the ducts comprises through holes with oblong sections and through holes with circular sections.
13. The aircraft nacelle according to claim 12, wherein at least half of the through holes of a ring flange have oblong sections.
14. The aircraft nacelle according to claim 1, wherein the through holes have sections which widen in the direction of the junction plane.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for obtaining consumer preferences over a communications network from a plurality of consumers, comprising the steps of:
selecting one or more product or service criteria and one or more ranking parameter by a consumer;
searching a database connected to said network having productservice information and consumer preferences for products or services based on said criteria;
displaying a list of products or services related to said criteria ordered in accordance with said ranking parameter on a processing device associated with said consumer; and
updating consumer preferences in said database with said criteria and said ranking parameter.
2. The method of claim 1, wherein the step of searching searches said database for products or services that satisfies or matches closest to said criteria.
3. The method of claim 1, further comprising the step of entering one or more new criteria by said consumer if it is determined that no product or service in said product database relates to said criteria; and wherein the step of searching searches said product database for products or services based on said new criteria.
4. The method of claim 1, further comprising the steps of:
selecting one or more products or services from said list by said consumer;
retrieving productservice information for said selected products or services from said database;
displaying productservice information of said selected products or services on said processing device; and
updating said consumer preferences in said database with said selected products or services.
5. The method of claim 1, wherein the step of selecting one or more product or service criteria includes the steps of:
displaying a list of product and service criteria for selection by said consumer; and
selecting a range for each criteria selected by said consumer.
6. The method of claim 1, further comprising the steps of:
selecting additional criteria by said consumer;
searching said database for products or services based on said criteria and said additional criteria;
displaying a list of products or services related to said criteria and said additional criteria ordered in accordance with said ranking parameter on said processing device; and
updating said consumer preferences in said database with said additional criteria.
7. The method of claim 1, wherein said database includes advertisements and further comprising the step of:
selecting an advertisement from said database in accordance with said criteria; and
displaying said advertisement along with said list on said processing device.
8. The method of claim 7, wherein said database comprises:
a product database having productservice information;
a marketing database having consumer preferences; and
an advertisement database having advertisements.
9. The method of claim 1, further comprising the step of generating a report indicating a consumer trend from said consumer preferences in said database for a product or service selected by an operator.
10. The method of claim 9, wherein said ranking parameter is determined based on said consumer trend.
11. A method for targeting advertisement over a communications network, comprising the steps of:
selecting one or more product or service criteria and one or more ranking parameter by a consumer;
searching a product database connected to said network for products or services based on said criteria and an advertisement database connected to said network for one or more advertisement based on said criteria; and
displaying said advertisement and a list of products or services related to said criteria ordered in accordance with said ranking parameter on a processing device associated with said consumer.
12. The method of claim 11, further comprising the step of updating a marketing database having consumer preferences with said criteria and said ranking parameter.
13. A system for acquiring and storing consumer preferences over a communications network from a plurality of consumers, comprising:
a plurality of processing devices connected to said network, each processing device being associated with a consumer, and having an input device for selecting one or more product or service criteria and one or more ranking parameter by said consumer;
a database connected to said network having productservice information, consumer preferences and advertisements; and
a server for receiving said criteria and said ranking parameter from a processing device associated with said consumer, searching said database for products or services, and advertisements based on said criteria, transmitting advertisements and a list of products and services related to said criteria ordered in accordance with said ranking parameter to said processing device, updating said stored consumer preferences in said database with said criteria and said ranking parameter; and
wherein said computer associated with said consumer is operable to display said list and said advertisements to said consumer.
14. The system of claim 13, wherein said server is operable to generate one or more new search criteria based on inputs from said consumer if is determined that no product or service in said database relates to said criteria; and wherein said server is operable to search said database based on said new criteria.
15. The system of claim 13, wherein said database comprises:
a product database having productservice information;
a marketing database having consumer preferences; and
an advertisement database having advertisements.
16. The system of claim 13, wherein said server is operable to search said database for productservice information related to one or more product or service selected by said consumer from said list and update said database with said selected product or service; and wherein said processing device is operable to display said productservice information to said consumer.
17. The system of claim 13, wherein said server is operable to generate a report indicating a consumer trend from said consumer preferences stored in said database for a product or service selected by an operator.
18. The system of claim 13, wherein said ranking parameter is determined based on said consumer trend.