Patents by Inventor Kazuo Nakajo

Kazuo Nakajo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10906380
    Abstract: An evaporator with a cold storage function includes: a plurality of refrigerant tubes which have refrigerant flow paths and which are disposed in parallel with an interval therebetween; and a cold storage material container sandwiched and bonded between adjacent refrigerant tubes among a plurality of the refrigerant tubes and to be filled with a cold storage material, wherein the cold storage material container is formed by superimposing a pair of cold storage plates, each of which includes accommodating concavities to be filled with the cold storage material, and a plurality of convexities are formed with an interval therebetween in standing walls of the accommodating concavities of each of the cold storage plates.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: February 2, 2021
    Assignee: MARELLI CABIN COMFORT JAPAN CORPORATION
    Inventors: Takehito Okada, Sachio Koyama, Takaya Arimoto, Yoshinori Ishida, Kazuo Nakajo
  • Publication number: 20190077227
    Abstract: An evaporator with a cold storage function (10) includes: a plurality of refrigerant tubes (30) which have refrigerant flow paths (32, 33) and which are disposed in parallel with an interval therebetween; and a cold storage material container (40) sandwiched and bonded between adjacent refrigerant tubes (30, 30) among a plurality of the refrigerant tubes (30) and to be filled with a cold storage material (B), wherein the cold storage material container (40) is formed by superimposing a pair of cold storage plates (41, 41), each of which includes accommodating concavities (46, 47) to be filled with the cold storage material (B), and a plurality of convexities (46b, 47b) are formed with an interval therebetween in standing walls (46a, 47a) of the accommodating concavities (46, 47) of each of the cold storage plates (41).
    Type: Application
    Filed: March 7, 2017
    Publication date: March 14, 2019
    Applicant: CALSONIC KANSEI CORPORATION
    Inventors: Takehito OKADA, Sachio KOYAMA, Takaya ARIMOTO, Yoshinori ISHIDA, Kazuo NAKAJO
  • Publication number: 20120247137
    Abstract: Provided is an air conditioner for a vehicle which can prevent the controls over cooling cycle and heating cycle from interfering with each other and thereby prevent hunting between the cooling and heating cycles even when a compressor is operated to perform the heating cycle in an overlapping temperature range where air cooling and air heating are both required. An air conditioner (4) for a vehicle includes a refrigerant circulation circuit (9b) for air heating to circulate a refrigerant, and a control unit (29) to selectively perform a normal air conditioning mode in which a normal cooling operation is feasible by circulating the refrigerant through a refrigerant circulation circuit (9a) for air cooling and an auxiliary heating mode in which an auxiliary heating operation is performed by circulating the refrigerant through the refrigerant circulating circuit (9b) for air heating.
    Type: Application
    Filed: December 20, 2010
    Publication date: October 4, 2012
    Applicant: Calsonic Kansei Corporation
    Inventors: Kazuo Nakajo, Toshihiro Takei, Hiroshi Soma
  • Publication number: 20120017637
    Abstract: Provided is a vehicle air conditioning device with a simple structure which can quickly raise the temperature of engine cooling water used for heating the air in a vehicle cabin in an engine start period in a low ambient temperature. The vehicle air conditioning device comprises the following elements integrally connected with each other: a first water heat exchanger (26) provided in the middle of a passage through which an engine cooling water flows from the water jacket of an engine (3) to a heater core (8a), a second water heat exchanger (27) provided in the middle of a passage through which the engine cooling water flows from the heater core (8a) to the water jacket of the engine (3), and a first external heat exchanger (18) for refrigerant condensation provided between the first and second water heat exchangers (26, 27).
    Type: Application
    Filed: January 8, 2010
    Publication date: January 26, 2012
    Inventors: Kazuo Nakajo, Toshihiro Takei, Yoshitoshi Noda, Tomohiro Maruyama, Junichiro Hara
  • Publication number: 20110143642
    Abstract: A ventilation load-reducing apparatus, which has a simple structure and is capable of further improving the efficiency of the heat recovery, and a vehicle air conditioner using the same are proposed. The ventilation load-reducing apparatus includes an inside air lead-out path 4 for ventilation which leads air of a vehicle-interior out of a vehicle from a rear side of the vehicle-interior, an outside air lead-in path 5 which leads outside air into a front side of the vehicle-interior, a ventilation heat recovery device 6 which recovers heat from the air led out through the inside air lead-out path 4, a recovered heat radiator 7 which releases the heat on the air led in through the outside air lead-in path 5, and a heat transmitter 8 which transmits the heat between the ventilation heat recovery device 6 and the recovered heat radiator 7. The ventilation load-reducing apparatus is independent of a refrigerant circulating system 9 of a vehicle air conditioner 2.
    Type: Application
    Filed: July 6, 2009
    Publication date: June 16, 2011
    Inventors: Kazuo Nakajo, Hiroki Yoshioka, Takashi Fujita