1. A water jet propulsion boat propelled by rearwardly ejecting water drawn through a jet pump driven by an engine, the water jet propulsion boat comprising:
a fuel tank disposed in a boat body of the water jet propulsion boat through a supporting member to absorb vibrations;
a fuel pipe extending from the fuel tank to the engine;
a fuel pump unit including a fuel pump that is controlled by a control device to supply fuel from the fuel tank to the engine through the fuel pipe; and
a fuel pressure detection device arranged to detect a pressure of fuel supplied to the engine by operation of the fuel pump; wherein
the fuel pressure detection device is connected to the control device, and the control device stops the operation of the fuel pump if the fuel pressure detected by the fuel pressure detection device is out of a predetermined normal value range.
2. The water jet propulsion boat according to claim 1, wherein the fuel pump unit is an element of the fuel tank, and the fuel pressure detection device is disposed on the fuel pump unit.
3. The water jet propulsion boat according to claim 1, wherein a regulator arranged to control a pressure of fuel sucked from the fuel tank is disposed on the fuel pump unit, the fuel pressure detection device is disposed downstream side of the fuel pump, and the fuel pressure detection device detects a pressure of fuel that is controlled by the regulator.
4. The water jet propulsion boat according to claim 1, wherein the fuel pressure detection device is disposed in the fuel tank.
5. The water jet propulsion boat according to claim 4, wherein the fuel pressure detection device is disposed in the fuel pump unit, and a filter arranged to remove foreign matters from the fuel sucked into the fuel pump unit through the fuel pump is disposed downstream of the fuel pressure detection device in the fuel pump unit.
6. A water jet propulsion boat propelled by rearwardly ejecting water drawn through a jet pump driven by an engine, the water jet propulsion boat comprising:
a fuel tank disposed in a boat body of the water jet propulsion boat through a supporting member to absorb vibrations;
a fuel pipe extending from the fuel tank to the engine;
a fuel pump unit including a fuel pump that is controlled by a control device to supply fuel from the fuel tank to the engine through the fuel pipe; and
a fuel pressure detection device arranged to detect a pressure of fuel supplied to the engine by operation of the fuel pump; wherein
the fuel pressure detection device is connected to the control device, and a fall sensor is disposed on the boat body and connected to the control device, wherein the control device stops the operation of the fuel pump if the fall sensor detects an overturning of the boat body and the fuel pressure detected by the fuel pressure detection device is out of the predetermined normal value range.
7. The water jet propulsion boat according to claim 6, wherein the fuel pump unit is an element of the fuel tank, and the fuel pressure detection device is disposed on the fuel pump unit.
8. The water jet propulsion boat according to claim 6, wherein a regulator arranged to control a pressure of fuel sucked from the fuel tank is disposed on the fuel pump unit, the fuel pressure detection device is disposed on a downstream side of the fuel pump, and the fuel pressure detection device detects a pressure of fuel that is controlled by the regulator.
9. The water jet propulsion boat according to claim 6, wherein the fuel pressure detection device is disposed in the fuel tank.
10. The water jet propulsion boat according to claim 9, wherein the fuel pressure detection device is disposed in the fuel pump unit, and a filter arranged to remove foreign matters from the fuel sucked into the fuel pump unit through the fuel pump is disposed downstream of the fuel pressure detection device in the fuel pump unit.
11. A water jet propulsion boat propelled by rearwardly ejecting water drawn through a jet pump driven by an engine, the water jet propulsion boat comprising:
a fuel tank disposed in a boat body of the water jet propulsion boat through a supporting member to absorb vibrations;
a fuel pipe extending from the fuel tank to the engine;
a fuel pump unit including a fuel pump that is controlled by a control device to supply fuel from the fuel tank to the engine through the fuel pipe; and
a fuel pressure detection device arranged to detect a pressure of fuel supplied to the engine by operation of the fuel pump; wherein
the fuel pump unit is disposed in the fuel tank and at least a portion of the fuel pump unit is exposed above the fuel tank, and the fuel pressure detection device is attached to the at least a portion of the fuel pump unit.
12. The water jet propulsion boat according to claim 11, wherein a fuel discharge section in communication with the fuel pipe is disposed in the exposed section above the upper section of the fuel tank that is upper section of the fuel pump unit, and the fuel pressure detection device is attached to the fuel discharge section.
13. The water jet propulsion boat according to claim 11, wherein a regulator arranged to control a pressure of fuel sucked from the fuel tank is disposed on the fuel pump unit, the fuel pressure detection device is disposed on a downstream side of the fuel pump, and the fuel pressure detection device detects a pressure of fuel that is controlled by the regulator.
14. The water jet propulsion boat according to claim 11, wherein a filter arranged to remove foreign matters from the fuel sucked into the fuel pump unit through the fuel pump is disposed downstream of the fuel pressure detection device in the fuel pump unit.
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. Apparatus for use in outputting a voucher from a coin discriminator having a discriminator printer, with the voucher configured to assist in distinguishing unauthorized duplicate or counterfeit vouchers, comprising:
a thermal paper substrate having
at least first language printed on said thermal paper substrate, oriented in a first direction, using a fluorescent ink such that said first language has a first appearance on said thermal paper substrate but wherein a photocopy of first language has a second appearance, different from said first appearance;
at least second language printed on said thermal paper substrate oriented in a second direction about 90 degrees to said first direction positioned less than 0.25 inches from an edge of said thermal paper substrate;
a plurality of perforations in said thermal paper substrate defining a first curved pattern of microperforations which includes a region defining a radius of curvature;
said thermal paper substrate located in a position from which said thermal paper substrate can be fed to said discriminator printer; and
means for controlling said discriminator printer to print, on said thermal paper substrate, at least first indicia containing an indication of a value of said voucher.
2. The voucher of claim 3 wherein the visible mark is preprinted on the substrate.
3. A voucher for use with a coin discriminator that is configured to receive a plurality of coins from a user and count the coins to arrive at a total, the voucher comprising:
a substrate;
a visible mark placed on the substrate, wherein the visible mark has a first appearance on the substrate, but wherein a photocopy of the visible mark has a second appearance, different from the first appearance;
indicia printed on the substrate, wherein the indicia indicate a value for which the printed substrate can be redeemed in exchange for at least one of cash and merchandise; and
wherein the value indicated by the indicia printed on the substrate is related to the total of coins counted but is less than the total.
4. The voucher of claim 3 wherein the indicia printed on the substrate includes a bar code.
5. The voucher of claim 3 wherein the indicia printed on the substrate includes an encrypted form of the value for which the substrate is redeemable.
6. The voucher of claim 3 wherein the substrate includes thermal paper.
7. A voucher for use with a coin discriminator, the voucher comprising:
a substrate;
a visible mark placed on the substrate, wherein the visible mark is made with a marking medium that includes fluorescent ink, wherein the visible mark has a first appearance on the substrate, but wherein a photocopy of the visible mark has a second appearance, different from the first appearance; and
indicia printed on the substrate, wherein the indicia indicate a value for which the printed substrate can be redeemed in exchange for at least one of cash and merchandise.
8.-12. (canceled)