I claim:
1. An applicator for applying a liquid to a surface, said applicator comprising:
a first housing part;
an elongated wand of light transmissive material having a fixed end mounted in said first housing part and projecting from said fixed end to a free end remote from said housing part;
means for retaining a liquid on said free end of said wand; and
an activatable light source mounted in said first housing part so that light emitted from the light source enters said fixed end of said wand and is transmitted in and through said wand so as to illuminate at least a portion of said wand.
2. An applicator as in claim 1, further comprising a second housing part which releasably mates with said first housing part to enclose said wand of light transmitting material within the material first and second housing parts, said second housing part being configured to contain a supply of the liquid.
3. An applicator as in claim 2, wherein said second housing part is made of a light transmissive material.
4. An applicator as in claim 1, wherein said wand of light transmissive material is in the shape of an elongate cone.
5. An applicator as in claim 1, wherein said light source comprises an LED.
6. An applicator as in claim 1, further comprising means for directing light emitted by said light source onto the fixed end of said wand.
7. An applicator as in claim 6, wherein said means for directing light comprises a lens.
8. An applicator as in claim 6, wherein said means for directing light comprises a reflector.
9. An applicator as in claim 1, wherein said wand of light transmissive material is translucent.
10. An applicator as in claim 1, further comprising at least one button-type battery for powering said light source.
11. An applicator as in claim 1, further comprising means for selectively activating said light source mounted in said first housing part.
12. An applicator as in claim 1, wherein said means for retaining a liquid on said free end of said wand comprises a mass of absorbent material.
13. An applicator as in claim 1, wherein said means for retaining a liquid on said free end of said wand comprises a surface formed integrally with said wand.
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 high-pressure pump comprising:
a housing defining a compression chamber and a fuel gallery therein, the compression chamber having a discharge port through which a fuel is discharged therefrom, the fuel gallery having an inlet opening through which the fuel flows thereinto, the fuel gallery having a suction opening communicating with the compression chamber;
a plunger slidably arranged in the compression chamber and varying a volume of the compression chamber in order to suction the fuel into the compression chamber or to discharge the fuel from the compression chamber;
a suction valve provided in a fuel suction passage fluidly connecting the compression chamber and the fuel gallery, the suction valve discharging a part of the fuel in the compression chamber into the fuel gallery through the suction opening to adjust a quantity of fuel which is discharged from the discharge port when the plunger slides up to reduce the volume of the compression chamber;
a damper provided in the fuel gallery for attenuating a pressure pulsation of the fuel in the fuel gallery, the damper comprised of a first diaphragm and a second diaphragm which respectively have a first peripheral edge portion and a second peripheral edge portion, the first peripheral edge portion and the second peripheral edge portion being joined together in order to form a damper chamber in the damper;
a first supporting member supporting the first peripheral edge portion of the first diaphragm, the first supporting member defining a first inner fuel chamber radially inside; and
an annular second supporting member supporting the second peripheral edge portion of the second diaphragm, the annular second supporting member defining a second inner fuel chamber radially inside and an outer fuel chamber radially outside, wherein
the second inner fuel chamber and the outer fuel chamber communicate with each other through a restriction,
one of the inlet opening and the suction opening is located to confront the outer fuel chamber, and
the other of the inlet opening and the suction opening is located to confront the inner fuel chamber.
2. A high-pressure pump according to claim 1, wherein
the restriction is a plurality of apertures which penetrates the second supporting member to communicate the outer fuel chamber with the inner fuel chamber.
3. A high-pressure pump according to claim 2, wherein
an opening area of the apertures is smaller than that of the suction opening.
4. A high-pressure pump according to claim 1, wherein
the outer fuel chamber is defined radially outside of the first supporting member and the second supporting member along an entire axis line thereof.
5. A high-pressure pump according to claim 1, wherein
the outer fuel chamber is defined along an entire circumferential outer surface of the first supporting member and the second supporting member.
6. A high-pressure pump according to claim 1, wherein
the first inner fuel chamber communicates with the outer fuel chamber.
7. A high-pressure pump according to claim 1, wherein
the suction opening is located radially outside of the second supporting member, and
the fuel suction passage fluidly connecting the suction opening and the compression chamber is formed in such a manner that the fuel discharged from the suction opening into the outer fuel chamber flows in a direction toward the first supporting member or the damper.
8. A high-pressure pump according to claim 1, wherein
the plunger includes a large diameter portion, a small diameter portion, and a plunger surrounding portion which defines a variable volume chamber around the small diameter portion,
in a case that the volume of the compression chamber is decreased, a volume of the variable volume chamber is increased so that the fuel is introduced into the variable volume chamber from the fuel gallery through a variable volume chamber passage,
in a case that the volume of the compression chamber is increased, the volume of the variable volume chamber is decreased so that the fuel is introduced into the fuel gallery from the variable volume chamber fuel gallery through a variable volume chamber passage, and
a volume chamber opening of the variable volume chamber passage opens at the fuel gallery radially outside of the second supporting member.
9. A high-pressure pump according to claim 1, wherein
the plunger includes a large diameter portion, a small diameter portion, and a plunger surrounding portion which defines a variable volume chamber around the small diameter portion,
in a case that the volume of the compression chamber is decreased, a volume of the variable volume chamber is increased so that the fuel is introduced into the variable volume chamber from the fuel gallery through a variable volume chamber passage,
in a case that the volume of the compression chamber is increased, the volume of the variable volume chamber is decreased so that the fuel is introduced into the fuel gallery from the variable volume chamber through the variable volume chamber passage, and
a volume chamber opening of the variable volume chamber passage opens at the fuel gallery radially inside of the second supporting member.
10. A high-pressure pump comprising:
a housing defining a compression chamber and a fuel gallery therein, the compression chamber having a discharge port through which a fuel is discharged therefrom, the fuel gallery having an inlet opening through which the fuel flows thereinto, the fuel gallery having a suction opening communicating with the compression chamber, the fuel gallery having a volume chamber opening;
a supply passage for introducing a fuel into the fuel gallery through the inlet opening;
a fuel suction passage fluidly connecting the suction opening and the compression chamber;
a plunger having a large diameter portion and a small diameter portion, the large diameter portion varying a volume of the compression chamber, the small diameter portion having a smaller diameter than the large diameter portion;
a plunger surrounding portion defining a variable volume chamber around the small diameter portion; and
a variable volume chamber passage fluidly connecting the variable volume chamber and the volume chamber opening, wherein
in a case that the volume of the compression chamber is decreased, a volume of the variable volume chamber is increased so that the fuel is introduced into the variable volume chamber from the fuel gallery,
in a case that the volume of the compression chamber is increased, the volume of the variable volume chamber is decreased so that the fuel is introduced into the fuel gallery from the variable volume chamber, and
the suction opening is located so that the fuel smoothly flows in the fuel gallery.
11. A high-pressure pump according to claim 10, wherein
the fuel discharged from the suction opening flows in the fuel gallery in a longitudinal direction thereof.
12. A high-pressure pump according to claim 11, wherein
the suction opening is located at a side wall of the fuel gallery.
13. A high-pressure pump according to claim 12, wherein
the volume chamber opening is located at a bottom wall of the fuel gallery.
14. A high-pressure pump according to claim 12, wherein
the inlet opening is located at a bottom wall of the fuel gallery.
15. A high-pressure pump according to claim 12, further comprising:
a pulsation damper attenuating a pressure pulsation in the fuel gallery, wherein
the pulsation damper varies a flow direction of the fuel discharged from the volume chamber opening toward the side wall of the fuel gallery.