1. A motorcycle brake system with a hydraulically operable front-wheel brake circuit and rear-wheel brake circuit, comprising two master brake cylinders for the independent actuation of both brake circuits, one inlet valve and one outlet valve provided in each brake circuit for brake slip control, one pump for the pressure supply of the front-wheel brake circuit and rear-wheel brake circuit, the supply pressure of the pump that is active in the rear-wheel brake circuit being applicable not only to a front-wheel brake but also to a rear-wheel brake depending on a force-proportional actuation of the master brake cylinder connected to the front-wheel brake circuit;
wherein an accommodating member having several pressure channels is provided for the hydraulic connection of the two master brake cylinders to the front-wheel brake and rear-wheel brake, of the front-wheel brake circuit and rear-wheel brake circuit, and first and second wheel brake connections that are connectable to the rear-wheel brake and front-wheel brake open into a lateral surface of the accommodating member, which wheel brake connections are arranged between first and second pressure connections that are connectable to the two master brake cylinders being operable independently of each other.
2. The motorcycle brake system as claimed in claim 1,
wherein a distance between the first wheel brake connection and an accommodating bore provided for the inlet valve in the accommodating member is dimensioned in such a way that a direct hydraulic connection is established to the first wheel brake connection, which is part of the front-wheel brake circuit or the rear-wheel brake circuit, by means of a blind-end bore opening into an orifice of the inlet valve accommodating bore.
3. The motorcycle brake system as claimed in claim 2, including a first pressure sensor for sensing the master cylinder pressure that can be supplied to the front-wheel brake circuit, as well as a second pressure sensor for sensing the wheel brake pressure in a rear-wheel brake connected to the rear-wheel brake circuit;
wherein the first pressure sensor is inserted into an accommodating bore, which is arranged remote from the first pressure connection and laterally relative to a first bore row, said first pressure sensor accommodating bore opening into an end surface of the accommodating member transversely to the first pressure connection, and in that the second pressure sensor is inserted into an accommodating bore of a second bore row remote from the second pressure connection, which opens transversely to the second pressure connection into the end surface of the accommodating member.
4. The motorcycle brake system as claimed in claim 2,
wherein several accommodating bores are arranged in the accommodating member in a first bore row and a second bore row, and the first bore row accommodates exclusively the inlet valve and outlet valve required for brake slip control in the front-wheel brake circuit while the second row accommodates the inlet valve and outlet valve required for brake slip control in the rear-wheel brake circuit and the second pressure sensor.
5. The motorcycle brake system as claimed in claim 4,
wherein the two pressure connections opening into the lateral surface of the accommodating member are arranged so as to be in alignment in the longitudinal planes of the first and second bore rows.
6. The motorcycle brake system as claimed in claim 4,
wherein the wheel brake connections opening into the lateral surface of the accommodating member are arranged between the longitudinal planes of the first and second bore rows.
7. The motorcycle brake system as claimed in claim 4,
wherein the second bore row further accommodates an electric separating valve.
8. The motorcycle brake system as claimed in claim 2,
wherein arranged between first and second bore rows is a pair of accommodating bores in the end surface of the accommodating member into which an electric change-over valve and an additional pressure sensor are inserted.
9. The motorcycle brake system as claimed in claim 8,
wherein a pressure channel traverses the accommodating bores provided for the additional pressure sensor and the electric change-over valve in the direction of the second pressure connection, which can be connected to the master brake cylinder provided for the actuation of the rear-wheel brake circuit.
10. The motorcycle brake system as claimed in claim 1,
wherein the wheel brake connections opening into the lateral surface of the accommodating member are arranged between the longitudinal planes of first and second bore rows which accommodate the inlet and outlet valves.
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 bend stiffener for coupling a subsea unit at a location along an ocean cable, comprising:
an elongate first member having a first longitudinal conduit, wherein the first elongate member defines a termination part designed to connect to the subsea unit; and
an elongate second member having a second longitudinal conduit connected to an end of the first member thereby effectively extending a length of the bend stiffener, wherein the first member has a chosen resilience in order to be able to obtain a suitable bend when the bend stiffener is subject to a first load, while the second member is designed so as to have less resilience than the first member, whereby the second member starts bending earlier than the first member when the bend stiffener is subjected to a second load smaller than the first load.
2. A bend stiffener for coupling a subsea unit at a location along an ocean cable, comprising:
an elongate first member having a first longitudinal conduit, wherein the first elongate member defines a termination part designed to connect to the subsea unit; and
an elongate second member having a second longitudinal conduit connected to an end of the first member thereby effectively extending a length of the bend stiffener, wherein the first member has a chosen resilience in order to be able to obtain a suitable bend when the bend stiffener is subject to a first load, while the second member is designed so as to have less resilience than the first member, whereby the second member starts bending earlier than the first member when the bend stiffener is subjected to a second load smaller than the first load,
wherein the first and second members are each provided with at least one channel, the channels extending from the second member to a hydrophone with surfaces of the channels having a nonmetallic material, and the second member having a resilience adapted to transfer incident pressure waves into the channel therein.
3. The bend stiffener according to claim 2, wherein the channels are provided in between the members and the cable positioned in the conduits therein, the cable covered by a non-metallic coating.
4-5. (canceled)
6. A bend stiffener for coupling a subsea unit at a location along an ocean cable, comprising:
an elongate first member having a first longitudinal conduit, wherein the first elongate member defines a termination part designed to connect to the subsea unit; and
an elongate second member having a second longitudinal conduit connected to an end of the first member thereby effectively extending a length of the bend stiffener, wherein the first member has a chosen resilience in order to be able to obtain a suitable bend when the bend stiffener is subject to a first load, while the second member is designed so as to have less resilience than the first member, whereby the second member starts bending earlier than the first member when the bend stiffener is subjected to a second load smaller than the first load wherein the second member is a substantially cylindrical, flexible, tubular member, wherein the first member is provided with a pressure transfer path extending from the end of the first member where the second member is arranged, to the opposite end of the first member, for the transfer of pressure changes from the region of the second member when the second member is being compressed.
7. The bend stiffener according to claim 6, where the pressure transfer path comprises longitudinal grooves along an internal wall of the first longitudinal conduit.
8. The bend stiffener according to claim 6, where the pressure transfer path comprises any number of channels separate from, but substantially parallel with, the first longitudinal conduit.
9. The bend stiffener according to claim 6, comprising a pressure collection volume, the pressure collection volume having a passage for coupling with a hydrophone of a seismic station.
10. The bend stiffener according to claim 9, wherein the passage for coupling with the hydrophone is arranged so as to be isolated from remaining parts of the seismic station for which the bend stiffener protects an end of a flexible cable.
11. The bend stiffener according to claim 9, wherein the passage is defined by at least one of a pipe which is impermeable to hydrogen and a pipe like element which is impermeable to hydrogen.
12. The bend stiffener according to claim 1, wherein all surfaces capable of enclosing a volume of water capable of coupling with a hydrophone are adapted to prevent generation of gas due to corrosion.
13. The bend stiffener according to claim 1, wherein the second member is terminated in a sleeve or muff, the sleeve or muff having openings or grooves for allowing an interior volume of the stiffener to be filled with water during deployment at a subsea location.
14. A bend stiffener for coupling a subsea unit at a location along an ocean cable, comprising:
an elongate first member having a first longitudinal conduit, wherein the first elongate member defines a termination part designed to connect to the subsea unit; and
an elongate second member having a second longitudinal conduit connected to an end of the first member thereby effectively extending a length of the bend stiffener, wherein the first member has a chosen resilience in order to be able to obtain a suitable bend when the bend stiffener is subject to a first load, while the second member is designed so as to have less resilience than the first member, whereby the second member starts bending earlier than the first member when the bend stiffener is subjected to a second load smaller than the first load,
wherein the second member is terminated in a sleeve or muff, the sleeve or muff having openings or grooves for allowing an interior volume of the stiffener to be filled with water during deployment at a subsea location, wherein the openings or grooves are dimensioned to limit inflow of sand.
15. The bend stiffener according to claim 13, wherein the sleeve or muff has a conical shape configured to ease the entry of the bend stiffener into guides, conduits, or cable handling devices.
16. The bend stiffener according to claim 2, wherein the nonmetallic material is a polymer.
17. The bend stiffener according to claim 3, wherein the non-metallic coating is a polymer coating.
18. A cable system for use in an ocean, comprising:
an ocean cable;
a subsea unit disposed along the ocean cable;
an elongate first member having a first longitudinal conduit, wherein the first elongate member surrounds a portion of the ocean cable adjacent the subsea unit and couples to the subsea unit; and
an elongate second member having a second longitudinal conduit connected to an end of the first member thereby effectively extending a length of a bend stiffener formed by the elongate members, wherein the first member has a chosen resilience in order to be able to obtain a suitable bend when the bend stiffener is subject to a first load, while the second member is designed so as to have less resilience than the first member, whereby the second member starts bending earlier than the first member when the bend stiffener is subjected to a second load smaller than the first load.
19. A cable system for use in an ocean, comprising:
an ocean cable;
a subsea station disposed along the ocean cable, wherein the station includes a hydrophone;
an elongate first member having a first longitudinal conduit surrounding a portion of the ocean cable adjacent the subsea station, wherein the first member couples to the subsea station; and
an elongate second member having a second longitudinal conduit surrounding a further portion of the ocean cable, wherein the second member is connected to an end of the first member thereby effectively extending a length of a bend stiffener formed by the elongate members, wherein the second member has less resilience than the first member, and wherein the first and second members are each provided with at least one channel, the channels extending from the second member to the hydrophone, and the second member having a resilience adapted to transfer incident pressure waves into the channel therein.
20. A cable system for use in an ocean, comprising:
an ocean cable;
a subsea station disposed along the ocean cable, wherein the station includes a hydrophone
an elongate first member having a first longitudinal conduit surrounding a portion of the ocean cable adjacent the subsea station, wherein the first member couples to the subsea station; and
an elongate second member having a second longitudinal conduit surrounding a further portion of the ocean cable, wherein the second member is connected to an end of the first member thereby effectively extending a length of a bend stiffener formed by the elongate members, wherein the second member has less resilience than the first member, and wherein the first and second members are each provided with at least one channel, the channels extending from the second member to the hydrophone, and the second member having a resilience adapted to transfer incident pressure waves into the channel therein, wherein a nonmetallic material defines surfaces of the channels.